Gulf of Thailand

Gulf of Thailand
ឈូងសមុទ្រសៀម อ่าวไทย Teluk Siam تلوق سيام Vịnh Thái Lan Gulf of Siam
Location of the gulf
Location	Southeast Asia
Coordinates	09°30′N 102°00′E / 9.500°N 102.000°E / 9.500; 102.000
Type	Gulf
Primary inflows	South China Sea
Basin countries	Cambodia Thailand Malaysia Vietnam
Surface area	320,000 km2 (120,000 sq mi)
Average depth	58 m (190 ft)
Max. depth	85 m (279 ft)

The Gulf of Thailand, also known as the Gulf of Siam, is a shallow inlet^[1][2] in the southwestern South China Sea, bounded between the southwestern shores of the Indochinese Peninsula and the northern half of the Malay Peninsula. It is around 800 km (500 mi) in length and up to 560 km (350 mi) in width, and has a surface area of 320,000 km² (120,000 sq mi).^[3][4] The gulf is surrounded on the north, west and southwest by the coastlines of Thailand (hence the name), on the northeast by Cambodia and the Mekong Delta region of Vietnam, and opens to the South China Sea in the southeast.