page_title: Cambodia
section_title: Geography
hierarchical_section_title: Cambodia / Geography
caption_attribution_description: Map of Cambodia with regions colour coded (Wikivoyage regional scheme), English version
context_page_description: Cambodia, officially the Kingdom of Cambodia, is a country located in the southern portion of the Indochina peninsula in Southeast Asia. It is 181,035 square kilometres in area, bordered by Thailand to the northwest, Laos to the northeast, Vietnam to the east and the Gulf of Thailand to the southwest.
  The sovereign state of Cambodia has a population of over 15 million. Buddhism is enshrined the constitution as the official state religion, and is practised by more than 97% of the population. Cambodia's minority groups include Vietnamese, Chinese, Chams and 30 hill tribes. The capital and largest city is Phnom Penh, the political, economic and cultural centre of Cambodia. The kingdom is an elective constitutional monarchy with a monarch, currently Norodom Sihamoni, chosen by the Royal Council of the Throne as head of state. The head of government is the Prime Minister, currently Hun Sen, the longest serving non-royal leader in Southeast Asia, ruling Cambodia since 1985.
  In 802 AD, Jayavarman II declared himself king, uniting the warring Khmer princes of Chenla under the name "Kambuja".
context_section_description: Cambodia has an area of 181,035 square kilometres (69,898 square miles) and lies entirely within the tropics, between latitudes 10° and 15°N, and longitudes 102° and 108°E. It borders Thailand to the north and west, Laos to the northeast, and Vietnam to the east and southeast. It has a 443-kilometre (275-mile) coastline along the Gulf of Thailand.
  Cambodia's landscape is characterised by a low-lying central plain that is surrounded by uplands and low mountains and includes the Tonle Sap (Great Lake) and the upper reaches of the Mekong River delta. Extending outward from this central region are transitional plains, thinly forested and rising to elevations of about 650 feet (200 metres) above sea level.
  To the north the Cambodian plain abuts a sandstone escarpment, which forms a southward-facing cliff stretching more than 200 miles (320 kilometres) from west to east and rising abruptly above the plain to heights of 600 to 1,800 feet (180–550 metres). This cliff marks the southern limit of the Dângrêk Mountains.
  Flowing south through Cambodia's eastern regions is the Mekong River. East of the Mekong the transitional plains gradually merge with the eastern highlands, a region of forested mountains and high plateaus that extend into Laos and Vietnam. In southwestern Cambodia two distinct upland blocks, the Krâvanh Mountains and the Dâmrei Mountains, form another highland region that covers much of the land area between the Tonle Sap and the Gulf of Thailand.
  In this remote and largely uninhabited area, Phnom Aural, Cambodia's highest peak rises to an elevation of 5,949 feet (1,813 metres). The southern coastal region adjoining the Gulf of Thailand is a narrow lowland strip, heavily wooded and sparsely populated, which is isolated from the central plain by the southwestern highlands.
  The most distinctive geographical feature is the inundations of the Tonle Sap, measuring about 2,590 square kilometres (1,000 square miles) during the dry season and expanding to about 24,605 square kilometres (9,500 square miles) during the rainy season. This densely populated plain, which is devoted to wet rice cultivation, is the heartland of Cambodia. Much of this area has been designated as a biosphere reserve.
caption: Regional map of Cambodia
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