Thailand - Location, size, and extent

Comprising an area of 514,000 sq km (198,456 sq mi) in Southeast Asia, Thailand (formerly known as Siam) extends almost two-thirds down the Malay Peninsula, with a length of 1,648 km (1,024 mi) N – S and a width of 780 km (485 mi) E – W . Comparatively, the area occupied by Thailand is slightly more than twice the size of the state of Wyoming. It is bordered on the NE and E by Laos, on the SE by Cambodia and the Gulf of Thailand (formerly the Gulf of Siam), on the S by Malaysia, on the SW by the Andaman Sea, and on the W and NW by Myanmar, with a total boundary length of 8,082 km (5,022 mi), of which 3,219 km (2000 mi) is coastline.

Thailand's capital city, Bangkok, is located on the Gulf of Thailand coast.