What is the capital of Thailand?

The capital of Thailand is Bangkok.

What is the population of Thailand?

Thailand has a population of about 71.62 million, the #20 largest of 225 countries in YearMaps. Source: World Bank, 2025.

Thailand covers 513,120 km², ranking #51 by area, with about 140 people per square kilometre.

Which countries border Thailand?

Thailand shares a land or maritime border with Cambodia, Laos, Malaysia, Myanmar.

What is the largest city in Thailand?

Bangkok is the largest city in Thailand, with a metropolitan population of about 6.70 million.

What is the highest mountain in Thailand?

The highest summit recorded for Thailand in YearMaps is Doi Inthanon at 2,580 m (8,465 ft). Summits on a border are counted for both countries.

What is the largest lake in Thailand?

The largest lake recorded in or bordering Thailand is Chao Nen Dam, at roughly 506 km².

Country · Asia · TH

Map of Thailand

Thailand is a country in Asia with its capital at Bangkok, home to about 71.62 million people across 513,120 km². The interactive map below plots 79 cities and towns, 8 rivers, 4 lakes, 3 mountain summits and 18 ports recorded for Thailand in YearMaps.

Population: 71.62 million
Area: 513,120 km²
Capital: Bangkok
Continent: Asia

About Thailand

Thailand, officially the Kingdom of Thailand, and formerly known as Siam, is a country located in Mainland Southeast Asia. It shares land borders with Myanmar to the west and northwest, Laos to the east and northeast, Cambodia to the southeast, and Malaysia to the south. Its maritime boundaries include the Gulf of Thailand and the Andaman Sea, and it shares maritime borders with Vietnam, Indonesia, and India. Thailand has a population of nearly 66 million people and covers an area of approximately 513,115 km2 (198,115 sq mi). The capital and largest city is Bangkok.

Archaeological evidence indicates that humans have inhabited the area for at least 40,000 years. Indigenous ethnic groups include the Mon, Khmer, and Malay people. The Tai people are believed to have originated from the Điện Biên Phủ region since the 5th century and began migrating into the territory of modern Thailand between the 8th and 10th centuries. During the classical historical period, major kingdoms such as Sukhothai, Lan Na, and Ayutthaya were established. The Sukhothai Kingdom is regarded as the beginning of Thai history, while the Ayutthaya Kingdom, founded in 1350 CE, became a regional power replacing the Khmer Empire. European contact began in 1511 when Portuguese envoys arrived in Ayutthaya. The Ayutthaya Kingdom flourished until its complete destruction during the 1765–1767 Burmese–Siamese War by the Burmese forces under the Konbaung dynasty in 1767.

After the fall of Ayutthaya, King Taksin reunified the kingdom and established the Thonburi Kingdom, which lasted only 15 years before he was overthrown by Phutthayotfa Chulalok (Rama I), the founder of the Chakri dynasty. King Rama I established the Rattanakosin Kingdom and moved the capital to Bangkok in 1782. During the era of Western imperialism, Siam remained the only country in Southeast Asia to avoid colonisation by European powers, although it ceded territory, trade rights, and legal privileges through several unequal treaties. The governance system evolved into an absolute monarchy centralised under the rule of King Chulalongkorn (Rama V). Siam adapted to international relations during the imperialist era and joined World War I on the side of the Allies, a political decision aimed at revising the effects of unequal treaties and enhancing Siam's international status.

Following the Siamese revolution of 1932 by the Khana Ratsadon (lit. 'People's Party'), Siam transitioned to a parliamentary constitutional monarchy and was officially renamed Thailand.

Summary adapted from Wikipedia: Thailand (CC BY-SA 4.0).

Geography and Climate of Thailand

Two unified Thai kingdoms emerged in the mid-13th century. The Sukhothai Kingdom, located in the south-central plains, gained its independence from the Khmer Empire to the east. By the late 13th century, Sukhothai’s territory extended into present-day Burma and Laos. Sukhothai lasted until the mid-15th century. The Thai Lan Na Kingdom was established in the north with its capital at Chang Mai; the Burmese conquered Lan Na in the 16th century. The Ayutthaya Kingdom (14th-18th centuries) succeeded the Sukhothai and would become known as the Siamese Kingdom. During the Ayutthaya period, the Thai/Siamese peoples consolidated their hold on what is present-day central and north-central Thailand. Following a military defeat at the hands of the Burmese in 1767, the Siamese Kingdom rose to new heights under the military ruler TAKSIN, who defeated the Burmese occupiers and expanded the kingdom’s territory into modern-day northern Thailand (formerly the Lan Na Kingdom), Cambodia, Laos, and the Malay Peninsula. In the mid-1800s, Western pressure led to Siam signing trade treaties that reduced the country’s sovereignty and independence. In the 1890s and 1900s, the British and French forced the kingdom to cede Cambodian, Laotian, and Malay territories that had been under Siamese control. Following a bloodless revolution in 1932 that led to the establishment of a constitutional monarchy, Thailand's political history was marked by a series of mostly bloodless coups with power concentrated among military and bureaucratic elites. Periods of civilian rule were unstable. The Cold War era saw a communist insurgency and the rise of strongman leaders. Thailand became a US treaty ally in 1954 after sending troops to Korea and later fighting alongside the US in Vietnam. In the 21st century, Thailand has experienced additional turmoil, including a military coup in 2006 that ousted then Prime Minister THAKSIN Chinnawat and large-scale street protests led by competing political factions in 2008-2010. In 2011, THAKSIN's youngest sister, YINGLAK Chinnawat, led the Puea Thai Party to an electoral win and assumed control of the government. In 2014, after months of major anti-government protests in Bangkok, the Constitutional Court removed YINGLAK from office, and the Army, led by Gen. PRAYUT Chan-ocha, then staged a coup against the caretaker government. The military-affiliated National Council for Peace and Order (NCPO) ruled the country under PRAYUT for more than four years, drafting a new constitution that allowed the military to appoint the entire 250-member Senate and required a joint meeting of the House and Senate to select the prime minister -- which effectively gave the military a veto on the selection. King PHUMIPHON Adunyadet passed away in 2016 after 70 years on the throne; his only son, WACHIRALONGKON (aka King RAMA X), formally ascended the throne in 2019. The same year, a long-delayed election allowed PRAYUT to continue his premiership, although the results were disputed and widely viewed as skewed in favor of the party aligned with the military. The country again experienced major anti-government protests in 2020. The reformist Move Forward Party won the most seats in the 2023 election but was unable to form a government, and Srettha THRAVISIN from the Pheu Thai Party replaced PRAYUT as prime minister after forming a coalition of moderate and conservative parties.

Location: Southeastern Asia, bordering the Andaman Sea and the Gulf of Thailand, southeast of Burma.
Climate: Tropical; rainy, warm, cloudy southwest monsoon (mid-May to September); dry, cool northeast monsoon (November to mid-March); southern isthmus always hot and humid.
Terrain: Central plain; Khorat Plateau in the east; mountains elsewhere.
Highest point: Doi Inthanon 2,565 m.
Lowest point: Gulf of Thailand 0 m.
Coastline: 3,219 km.
Land borders: Total: 5,673 km; border countries: Burma 2,416 km; Cambodia 817 km; Laos 1,845 km; Malaysia 595 km.
Major rivers: Mae Nam Khong (Mekong) (shared with China [s], Burma, Laos, Cambodia, and Vietnam [m]) - 4,350 km; Salween (shared with China [s] and Burma [m]) - 3,060 km; Mun - 1,162 km note: [s] after country name indicates river source; [m] after country name indicates river mouth.
Major lakes: Salt water lake(s): Thalesap Songkhla - 1,290 sq km.
Natural resources: Tin, rubber, natural gas, tungsten, tantalum, timber, lead, fish, gypsum, lignite, fluorite, arable land.
Land use: Agricultural land: 43.8% (2023 est.); arable land: 31% (2023 est.); permanent crops: 11.2% (2023 est.); permanent pasture: 1.6% (2023 est.); forest: 39% (2023 est.); other: 17.2% (2023 est.)
Natural hazards: Land subsidence in Bangkok area resulting from the depletion of the water table; droughts.
Geographic note: Controls only land route from Asia to Malaysia and Singapore.
Languages: Thai (official) only 90.7%, Thai and other languages 6.4%, only other languages 2.9% (includes Malay, Burmese); English is a secondary language among the elite (2010 est.)
Religions: Buddhist 92.5%, Muslim 5.4%, Christian 1.2%, other 0.9% (includes animist, Confucian, Hindu, Jewish, Sikh, and Taoist) (2021 est.)
Ethnic groups: Thai 97.5%, Burmese 1.3%, other 1.1%, unspecified <0.1% (2015 est.)
Economy: Upper middle-income Southeast Asian economy; substantial infrastructure; major electronics, food, and automobile parts exporter; globally used currency; extremely low unemployment; ongoing Thailand 4.0 economic development.

From the CIA World Factbook (public domain), archived edition of 2026-01-22. The Factbook is no longer updated, so figures reflect that edition.

Thailand in Numbers

Population: 71.62 million
GDP: US$577.0 billion
GDP per person: US$8,057
Life expectancy: 76.6 years
Population growth: -0.07% a year
Population density: 140 per km²
Urban population: 62.8%
Surface area: 513,115 km²
Forest cover: 38.7%
Arable land: 30.8%
Access to electricity: 100.0%
Internet users: 90.9%

Indicators from World Bank Open Data (CC BY 4.0). The year under each figure is its reference year.

Thailand in Depth

History

Continuous human habitation in present-day Thailand dates back at least 20,000 years. Agriculture emerged with rice cultivation around 2000 BCE, alongside participation in the Maritime Jade Road, a trading network connecting Southeast Asia from 2000 BCE to 1000 CE. The Ban Chiang site in northeast Thailand is the earliest known centre of copper and bronze production in Southeast Asia, dating between 2000 and 1000 BCE. Iron working appeared around 500 BCE.

The Indochinese Peninsula was heavily influenced by the culture and religions of India from the time of Funan, established in the 2nd century BCE. By the 6th century, early multiethnic kingdoms emerged, including the Mon principalities of Dvaravati and Hariphunchai.

Geography

Totalling 513,120 square kilometres (198,120 sq mi), Thailand is the 50th-largest country by total area. Thailand comprises several distinct geographic regions, partly corresponding to the provincial groups. The north of the country is the mountainous area of the Thai highlands, with the highest point being Doi Inthanon in the Thanon Thong Chai Range at 2,565 metres (8,415 ft) above sea level. The northeast, Isan, consists of the Khorat Plateau, bordered to the east by the Mekong River. The centre of the country is dominated by the predominantly flat Chao Phraya River valley, which runs into the Gulf of Thailand. Southern Thailand consists of the narrow Kra Isthmus that widens into the Malay Peninsula.

Economy

The economy of Thailand is heavily export-dependent, with exports accounting for more than two-thirds of gross domestic product (GDP). Thailand exports over US$105 billion worth of goods and services annually. Major exports include cars, computers, electrical appliances, rice, textiles and footwear, fishery products, rubber, and jewellery.

Thailand is an emerging economy and is considered a newly industrialised country. Thailand had a 2026 GDP of US$1.964 trillion (on a purchasing power parity basis). It is the second-largest economy in Southeast Asia after Indonesia, and ranks midway in the region's wealth spread as the fourth-richest nation by GDP per capita.

Thailand functions as an anchor economy for the neighbouring developing economies of Laos, Myanmar, and Cambodia.

Demographics

Thailand had a population of 65.95 million in 2025. There were 64,953,661 Thai nationals and 997,549 non-Thai residents. Thailand's first census in 1909 found the population to be 8.2 million. The population is largely rural, concentrated in the rice-growing areas of the central, northeastern, and northern regions. About 44.2% of the population lived in urban areas as of 2010, a gradual increase from 29.4% in the 1990 census and 31.1% in the 2000 census.

Sections adapted from Wikipedia: Thailand (CC BY-SA 4.0).

Thailand: Key Facts

Key facts about Thailand
Currency	baht
Official language	Thai
Head of state	Rama X of Thailand
Head of government	Paetongtarn Shinawatra
Form of government	constitutional monarchy, parliamentary monarchy
Calling code	+66
Internet domain	.th
Highest point	Doi Inthanon
Lowest point	Andaman Sea
Established	28 December 1768

Facts from Wikidata Q869 (CC0).

History of Thailand: Empires and States

The atlas records 21 polities whose mapped territory included part of Thailand, from Funan in 51 CE to 2024 CE. They are listed in the order they first appear.

Polities that held Thailand, in chronological order
Polity	Period here	Extent
Funan	51–640 CE	A small part
Chenla	555–717 CE	A small part
Lavo Kingdom	638–1394 CE	A large part
Haripuñjaya	661–1293 CE	A small part
Srivijaya	692–1138 CE	A small part
Land Chenla	718–805 CE	A small part
Water Chenla	718–805 CE	A small part
The Khmer Empire	806–1374 CE	Most
Sukhothai Kingdom	1241–1449 CE	A large part
Lan Na Kingdom	1294–1563 CE	A small part
Ayutthaya Kingdom	1352–1768 CE	Most
Lan Xang	1363–1708 CE	A small part
First Toungoo Empire	1564–1733 CE	Most
Patani Kingdom	1572–1690 CE	A small part
Lan Na	1600–1761 CE	A small part
Vientiane	1709–1827 CE	A small part
Konbaung Dynasty	1762–1774 CE	A small part
Thonburi Kingdom	1769–1782 CE	Most
Chiangmai	1775–1884 CE	A small part
Rattanakosin Kingdom	1783–1931 CE	Nearly all
Kingdom of Thailand	1932–2024 CE	Nearly all

Historical Maps of Thailand

Thailand on the world map in each year one of these states held it:

Derived by testing mapped cities against dated territorial polygons. Dates are when the polygons cover this place, not the polity's whole lifespan, and polities absent from the source dataset are not listed.

Visiting Thailand

Thailand (Thai: ประเทศไทย Prathet Thai or เมืองไทย Mueang Thai) is among the most visited countries on Earth, and for good reason. You can find thick jungle as green as can be, crystal blue waters that feel more like a warm bath than a swim in the ocean, and food that can curl your nose hairs while tap dancing across your taste buds. Bustling, yet safe; cheap, and equipped with every amenity you need, there is something for every interest and every price bracket, from beachfront backpacker hostels to some of the best luxury hotels in the world.

Despite the heavy flow of tourism, Thailand retains its quintessential identity, with a culture and history all its own and a carefree people famed for their smiles and their fun-seeking sanuk lifestyle. Many travellers come to Thailand and extend their stay well beyond their original plans, and others never find a reason to leave.

Travel notes adapted from Wikivoyage: Thailand (CC BY-SA 4.0).

Largest Cities in Thailand

79 cities recorded. Ranked by metropolitan population. A port city's harbour is written up on the page of its sea.

Largest Cities in Thailand
#	Name	Population	Region	Role
1	Bangkok	6.70 million	Bangkok Metropolis	National capital
2	Chiang Mai	397,211	Chiang Mai	Admin-1 capital
3	Samut Prakan	388,920	Samut Prakan	Admin-1 capital
4	Nakhon Ratchasima	334,984	Nakhon Ratchasima	Admin-1 capital
5	Hat Yai	317,954	Songkhla	Populated place
6	Ubon Ratchathani	273,893	Ubon Ratchathani	Admin-1 capital
7	Nonthaburi	258,550	Nonthaburi	Admin-1 capital
8	Khon Kaen	251,056	Khon Kaen	Admin-1 capital
9	Udon Thani	247,231	Udon Thani	Admin-1 capital
10	Nakhon Si Thammarat	232,335	Nakhon Si Thammarat	Admin-1 capital
11	Chon Buri	226,618	Chon Buri	Admin-1 capital
12	Lampang	204,081	Lampang	Admin-1 capital
13	Si Racha	178,916	Chon Buri	Populated place
14	Phitsanulok	164,017	Phitsanulok	Admin-1 capital
15	Surat Thani	157,627	Surat Thani	Admin-1 capital
16	Pathum Thani	154,412	Pathum Thani	Admin-1 capital
17	Pattani	150,000	Pattani	Admin-1 capital
18	Yala	148,140	Yala	Admin-1 capital
19	Trang	147,820	Trang	Admin-1 capital
20	Ayutthaya	145,615	Phra Nakhon Si Ayutthaya	Admin-1 capital
21	Phuket	141,618	Phuket	Admin-1 capital
22	Nakhon Pathom	117,927	Nakhon Pathom	Admin-1 capital
23	Chiang Rai	117,127	Chiang Rai	Admin-1 capital
24	Nakhon Sawan	111,915	Nakhon Sawan	Admin-1 capital
25	Ratchaburi	106,996	Ratchaburi	Admin-1 capital

The other 54 (population, region, role)

Nong Khai · 104,505 · Nong Khai · Admin-1 capital
Chanthaburi · 99,819 · Chanthaburi · Admin-1 capital
Phetchaburi · 90,497 · Phetchaburi · Admin-1 capital
Chumphon · 85,686 · Chumphon · Admin-1 capital
Nan · 82,483 · Nan · Admin-1 capital
Prachin Buri · 79,757 · Prachin Buri · Admin-1 capital
Uttaradit · 76,630 · Uttaradit · Admin-1 capital
Sakhon Nakhon · 76,237 · Sakon Nakhon · Admin-1 capital
Saraburi · 70,769 · Saraburi · Admin-1 capital
Narathiwat · 68,112 · Narathiwat · Admin-1 capital
Kanchanaburi · 63,699 · Kanchanaburi · Admin-1 capital
Samut Sakhon · 63,498 · Samut Sakhon · Admin-1 capital
Surin · 62,536 · Surin · Admin-1 capital
Kamphaeng Phet · 58,787 · Kamphaeng Phet · Admin-1 capital
Chaiyaphum · 58,350 · Chaiyaphum · Admin-1 capital
Lop Buri · 57,761 · Lop Buri · Admin-1 capital
Nakhon Phanom · 55,377 · Nakhon Phanom · Admin-1 capital
Kalasin · 55,102 · Kalasin · Admin-1 capital
Supham Buri · 53,399 · Suphan Buri · Admin-1 capital
Maha Sarakham · 51,584 · Maha Sarakham · Admin-1 capital
Phetchabun · 50,656 · Phetchabun · Admin-1 capital
Hua Hin · 50,456 · Prachuap Khiri Khan · Populated place
Chachoengsao · 49,741 · Chachoengsao · Admin-1 capital
Songkhla · 48,616 · Songkhla (Songkhla Lake) · Admin-1 capital
Buriram · 47,292 · Buri Ram · Admin-1 capital
Mae Sot · 45,781 · Tak · Populated place
Sisaket · 44,751 · Si Sa Ket · Admin-1 capital
Phatthalung · 43,522 · Phatthalung · Admin-1 capital
Roi Et · 39,328 · Roi Et · Admin-1 capital
Phrae · 38,538 · Phrae · Admin-1 capital
Rayong · 37,035 · Rayong · Admin-1 capital
Phichit · 35,760 · Phichit · Admin-1 capital
Loei · 35,273 · Loei · Admin-1 capital
Samut Songkhram · 35,065 · Samut Songkhram · Admin-1 capital
Satun · 34,544 · Satun · Admin-1 capital
Prachuap Khiri Khan · 33,521 · Prachuap Khiri Khan · Admin-1 capital
Tak · 33,146 · Tak · Admin-1 capital
Krabi · 31,219 · Krabi · Admin-1 capital
Thung Song · 28,223 · Nakhon Si Thammarat · Populated place
Ranong · 24,561 · Ranong · Admin-1 capital
Aranyaprathet · 22,472 · Sa Kaeo · Populated place
Uthai Thani · 22,219 · Uthai Thani · Admin-1 capital
Yasothon · 21,643 · Yasothon · Admin-1 capital
Trat · 21,590 · Trat · Admin-1 capital
Nakhon Nayok · 21,309 · Nakhon Nayok · Admin-1 capital
Phayao · 21,058 · Phayao · Admin-1 capital
Sing Buri · 20,046 · Sing Buri · Admin-1 capital
Bua Yai · 18,269 · Nakhon Ratchasima · Populated place
Chainat · 15,469 · Chai Nat · Admin-1 capital
Lamphun · 14,030 · Lamphun · Admin-1 capital
Ang Thong · 13,738 · Ang Thong · Admin-1 capital
Sukhothai · 10,276 · Sukhothai · Admin-1 capital
Phangnga · 9,676 · Phangnga · Admin-1 capital
Mae Hong Son · 9,109 · Mae Hong Son · Admin-1 capital

Highest Mountains in Thailand

3 mountains recorded. Ranked by summit elevation above sea level. A summit on a border is listed under both countries.

Highest Mountains in Thailand
#	Name	Elevation	Feet	Region
1	Doi Inthanon	2,580 m	8,465 ft	Asia
2	Phu Soai Dao	2,120 m	6,955 ft	Asia
3	Khao Luang	1,780 m	5,840 ft	Asia

Doi Inthanon

Mountain · 2,580 m

Doi Inthanon is a mountain rising to 2,580 metres (8,465 ft) in Thailand, in the Asia region.

Doi Inthanon (Thai: ดอยอินทนนท์, pronounced [dɔ̄ːj ʔīn.tʰā.nōn]) is the highest mountain in Thailand. It is in Chom Thong District, Chiang Mai Province. This mountain is an ultra prominent peak, known in the past as Doi Luang Ang Ga (Grand Mount Ang Ga) or meaning the 'crow's pond top'. Near the mountain's base was a pond where many crows gathered. The name Doi Inthanon was given in honour of Inthawichayanon, Grand Prince of Chiang Mai, who was concerned about the forests in the north and tried to preserve them. After his death, his remains were interred at Doi Luang, which was then renamed in his honour.

Today, the summit of Doi Inthanon is a popular tourist destination for both foreign and Thai tourists, with a peak of 12,000 visitors visiting the summit on New Year's Day. In addition to a range of tourist facilities on the summit, there is a weather station operated by the Royal Thai Air Force, with the Thai National Observatory also based there.

Adapted from Wikipedia: Doi Inthanon (CC BY-SA 4.0).

Elevation: 2,580 m (8,465 ft)
Global rank: #325 of 641 indexed
Region: Asia (#126)
Country: Thailand
Coordinates: 18.5983°, 98.4912°

Of the 641 named summits indexed in YearMaps, Doi Inthanon ranks #325 by elevation, below Mazong Shan (2,584 m) and above Jabal al Lawz (2,580 m).

Ranges:: Arakan Yoma (Asia), Dângrêk Range (Asia)
Neighbouring summits:: Phu Soai Dao (2,120 m), Loi Leng (2,673 m), Phou Bia (2,830 m)
Settlements below:: Chiang Mai (56 km), Lampang (110 km), Phayao (162 km)

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More about Doi Inthanon

Geography

Doi Inthanon is the highest peak of the Inthanon Range (Thai: ทิวเขาอินทนนท์) of the Thanon Thong Chai Range, a subrange of the Shan Hills in the Thai highlands stretching southwards from the Daen Lao Range. This range, the southwesternmost of the Shan Highland system, separates the Salween watershed from the Mekong watershed. Other high peaks of the Daen Lao Range are Doi Luang Chiang Dao (2,175 metres (7,136 ft)), Doi Pui (1,685 metres (5,528 ft)), and Doi Suthep (1,601 metres (5,253 ft)).

In 1954, the forests around Doi Inthanon were conserved, creating Doi Inthanon National Park, as one of the original 14 national parks of Thailand. This park now covers 482.4 km2 and spreads from the lowlands at 800 metres (2,625 ft) elevation up to the peak at 2,565 metres (8,415 ft).

Climate

The climate is typically tropical and fairly cool on the summit of Doi Inthanon. In the winter, the average temperature is 6 °C (43 °F) in January and temperatures can sometimes drop below 0 °C (32 °F). On 21 December 2017, an all-time low temperature of −5 °C (23 °F) was recorded at 06:30 at km 44.4. From March to June, temperatures are pleasant, especially at higher altitudes. The rainy season runs from April to November when it sometimes rains for more than two hours daily.

Sections adapted from Wikipedia: Doi Inthanon (CC BY-SA 4.0).

Doi Inthanon: Key Facts

Key facts about Doi Inthanon
Topographic prominence	1,850 m
Mountain range	Thanon Thong Chai Range

Facts from Wikidata Q1140075 (CC0).

Phu Soai Dao

Mountain · 2,120 m

Phu Soai Dao is a mountain rising to 2,120 metres (6,955 ft) in Laos and Thailand, in the Asia region. The summit stands on the border between them. From PeakBagger.com, with kind permission..

Phu Soi Dao (French: Phou Soai Dao) is a mountain in Southeast Asia. It is 2,120 metres (6,960 ft) tall and rises at the south end of the Luang Prabang Range, on the border between Laos and Thailand. Phu Soi Dao National Park is on the Thai side of the range in Phitsanulok and Uttaradit Provinces.

Pinus kesiya, Betula alnoides, Schima wallichii and Shorea siamensis are among the species of trees present in the forest. Utricularia spinomarginata and Utricularia phusoidaoensis are endemic plants on Phu Soi Dao. There are numerous waterfalls in the range area.

Adapted from Wikipedia: Phu Soi Dao (CC BY-SA 4.0).

Elevation: 2,120 m (6,955 ft)
Global rank: #395 of 641 indexed
Region: Asia (#145)
Countries: Laos, Thailand
Coordinates: 17.7300°, 101.0101°

Of the 641 named summits indexed in YearMaps, Phu Soai Dao ranks #395 by elevation, below Hua Shan (2,130 m) and above Kebnekaise (2,111 m).

Ranges:: Dângrêk Range (Asia), Arakan Yoma (Asia)
Neighbouring summits:: Doi Inthanon (2,580 m), Khao Luang (1,780 m)
Settlements below:: Loei (81 km), Uttaradit (97 km), Phrae (101 km)

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More about Phu Soai Dao

Phu Soai Dao: Key Facts

Key facts about Phu Soai Dao
Topographic prominence	1,664 m
Mountain range	Luang Prabang Range

Facts from Wikidata Q7188265 (CC0).

Khao Luang

Mountain · 1,780 m

Khao Luang is a mountain rising to 1,780 metres (5,840 ft) in Thailand, in the Asia region.

Khao Luang (Thai: เขาหลวง, pronounced [kʰǎw lǔa̯ŋ]) is the tallest mountain in southern Thailand. It is in Nakhon Si Thammarat Province.

Adapted from Wikipedia: Khao Luang (CC BY-SA 4.0).

Elevation: 1,780 m (5,840 ft)
Global rank: #456 of 641 indexed
Region: Asia (#164)
Country: Thailand
Coordinates: 8.4982°, 99.7340°

Of the 641 named summits indexed in YearMaps, Khao Luang ranks #456 by elevation, below Junipero Serra Pk (1,787 m) and above Tianzhu Shan (1,760 m).

Ranges:: Dângrêk Range (Asia), Barisan Mountains (Asia)
Neighbouring summits:: Gunung Tahan (2,190 m), Myinmoletkat Taung (2,072 m), Phnom Aural (1,813 m)
Settlements below:: Nakhon Si Thammarat (28 km), Thung Song (38 km), Surat Thani (84 km)

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More about Khao Luang

Geography

The Khao Luang mountain is the highest summit of a massif of several hills with steep slopes. It is part of the Nakhon Si Thammarat Range, a subrange of the Tenasserim Hills.

Geologically this mountain formation consists of a granite core under loose soils. On steep slopes, the soil covering the mountains can cause landslides when saturated with water.

Some of the forests of the area were felled to make way for rubber plantations.

Sections adapted from Wikipedia: Khao Luang (CC BY-SA 4.0).

Khao Luang: Key Facts

Key facts about Khao Luang
Topographic prominence	1,715 m
Mountain range	Nakhon Si Thammarat Range

Facts from Wikidata Q1542964 (CC0).

Largest Lakes in Thailand

4 lakes recorded. Ranked by mapped surface area. A lake on a border is listed under each country it lies in, with the area of the whole lake.

Largest Lakes in Thailand
#	Name	Surface Area	Type
1	Chao Nen Dam	506 km²	Reservoir
2	Siri Kit Dam	270 km²	Reservoir
3	Ubolratna Reservoir	209 km²	Reservoir
4	Bhumphol K. K. Nam	124 km²	Reservoir

Rivers in Thailand

8 rivers recorded. Listed alphabetically. A river is listed where its mapped reach lies, so long rivers appear under more than one country.

Rivers in Thailand
Name	Type	Also Flows Through
Chao Phraya	River	—
Chi	River	—
Mae Klong	River	—
Mekong	River	Laos, Cambodia, Vietnam
Mun	River	—
Ping	River	—
Salween	River	Myanmar
Yom	River	—

Ports in Thailand

18 ports recorded. Ranked by approach channel depth, the figure that limits which ships can call. Harbours link to their write-up on the page of the sea or coast they lie on.

Ports in Thailand
#	Name	Channel Depth	Class	Sea	Max Vessel
1	Kantang Harbor	56.7 m	Very Small	Strait of Malacca & Singapore	medium vessels
2	Krabi	53 m	Very Small	Strait of Malacca & Singapore	medium vessels
3	Sattahip	42.1 m	Minor	South China Sea & Gulf of Thailand	point_of_interest
4	Bangkok	42.1 m	Major	South China Sea & Gulf of Thailand	medium vessels
5	Phuket	42.1 m	Small	Strait of Malacca & Singapore	medium vessels
6	Songkhla Harbor	42.1 m	Very Small	South China Sea & Gulf of Thailand	large vessels
7	Map Ta Phut	38.4 m	Very Small	South China Sea & Gulf of Thailand	large vessels
8	Khanom	38.4 m	Very Small	South China Sea & Gulf of Thailand	point_of_interest
9	Laem Chabang	31.1 m	Small	South China Sea & Gulf of Thailand	large vessels
10	Bang Saphan	27.4 m	Very Small	South China Sea & Gulf of Thailand	medium vessels

The other 8 (channel depth, class, sea, max vessel)

Si Racha Terminal · 27.4 m · Very Small · South China Sea & Gulf of Thailand · medium vessels
Rayong Tpi Terminal · 16.5 m · Very Small · South China Sea & Gulf of Thailand · medium vessels
Erawan Terminal · 5.5 m · Very Small · South China Sea & Gulf of Thailand · large vessels
Ko Si Chang Terminal · 5.5 m · Very Small · South China Sea & Gulf of Thailand · medium vessels
Bongkot Terminal · 5.5 m · Very Small · South China Sea & Gulf of Thailand · large vessels
Benchamas Terminal · Very Small · South China Sea & Gulf of Thailand · large vessels
Tantawan Marine Terminal · Very Small · South China Sea & Gulf of Thailand · medium vessels
Petchburi Terminal · Very Small · South China Sea & Gulf of Thailand · medium vessels

UNESCO World Heritage Sites in Thailand

8 World Heritage Sites recorded. Listed by year of inscription, earliest first. Sites shared with another country appear under each.

UNESCO World Heritage Sites in Thailand
#	Name	Inscribed	Type	Criteria
1	Ayutthaya Historical Park	1991	Cultural	(iii)
2	Historic Town of Sukhothai and Associated Historic Towns	1991	Cultural	(i) (iii)
3	Thungyai Naresuan Wildlife Sanctuary	1991	Natural	(vii) (ix) (x)
4	Ban Chiang	1992	Cultural	(iii)
5	Dong Phayayen-Khao Yai Forest Complex	2005	Natural	(x)
6	Si Thep historical park	2023	Cultural	(ii) (iii)
7	Phu Phrabat, a testimony to the Sīma stone tradition of the Dvaravati period	2024	Cultural	(iii) (v)
8	Wat Phra Mahathat	2026	Cultural	(ii) (vi)

Largest Islands of Thailand

1 island recorded. Ranked by mapped area. An island divided between countries is listed under each, with the area of the whole island.

Largest Islands of Thailand
#	Name	Area	Type
1	Phuket Island	1,106 km²	Island

Phuket Island

Island · 1,106 km²

Phuket Island is an island in Asia, covering an estimated 1,106 km².

Phuket ( poo-KET; Thai: ภูเก็ต, [pʰūː.kèt] , Malay: Bukit or Tongkah) is one of the southern provinces (changwat) of Thailand. It consists of the island of Phuket, the country's largest island, and another 32 smaller islands off its coast. Phuket lies off the west coast of mainland Thailand in the Andaman Sea. Phuket Island is connected by the Sarasin Bridge to Phang Nga province to the north. The next nearest province is Krabi, to the east across Phang Nga Bay.

Phuket province, encompassing an area of 547 km2 (211 sq mi), ranks as the second-smallest province in Thailand. Historically, Phuket Island was situated on a major trading route between India and China. This strategic location led to its frequent mention of foreign ships in the logs, including those from Portugal, France, the Netherlands, and England. Despite this attention from various European powers, Phuket was never colonized by any European nation.

Economically, the province's wealth was initially derived from tin and rubber production. Recently, Phuket has transitioned to tourism as its primary source of income. More than 100,000 foreigners are estimated to have settled in Phuket.

Adapted from Wikipedia: Phuket province (CC BY-SA 4.0).

Feature class: Island
Mapped extent: 1,106 km²
Size rank: #288 of 445 islands
Region: Asia
Coordinates: 7.9336°, 98.3515°

Summits:: Khao Luang (1,780 m), Gunung Tahan (2,190 m), Myinmoletkat Taung (2,072 m)
Ranges:: Dângrêk Range (Asia), Barisan Mountains (Asia)
Settlements:: Phuket (7 km), Krabi (63 km), Trang (144 km)

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More about Phuket Island

Geography

Phuket Island (Ko Phuket), the largest island in Thailand, is situated in the southern part of the country, within the Andaman Sea. The island is characterized by its mountainous terrain, with a mountain range extending from the north to the south along its western side. This range is part of the larger Phuket mountain range, which spans approximately 440 km (270 mi) from the Kra Isthmus.

The island's highest point is traditionally cited as Khao Mai Thao Sip Song, with an altitude of 529 m (1,736 ft) above sea level. However, there are reports suggesting the presence of an unnamed peak in the Kamala Hills, behind Kathu Waterfall, which may reach an elevation of 542 meters above sea level.