Thailand, the only Southeast Asian nation never to have been colonized by European powers, is a constitutional monarchy whose current head of state is HM Bhumibol Adulyadej. A unified Thai kingdom has existed since the mid-14th century, and Thailand was known as Siam until 1939 when it officially became the Kingdom of Thailand.
Thailand is the 50th largest country in the world; most nearly equal in size to Spain. It is Located just 15 degrees north of the equator, Thailand has a tropical climate and temperatures typically range from 19 to 38 degrees C (66-100 F).
- Thailand's largest peak, Doi Inthanon, is 2,565 meters (8,415 ft) tall.
- Thailand covers 510,890 sq km of land and 2,230 sq km of water.
- The coastline of Thailand is 3,219 km long.
- Thailand's longest shared border is with Myanmar (Burma), stretching 1,800 km.