Thailand officially referred to as the Kingdom of Thailand, previously known as Siam, is a nation at the centre of the Indochinese peninsula in Southeast Asia. It occupies a total area of roughly 513,000 km² and it is the 51st biggest country in the world. It has a population of about 66 million people, making it the 20th most populated country in the globe. Get more info : http://www.studycountry.com/guide/TH-history.htm