Is the capital Vientiane with Thailand to the west. Laos has an area of about half of the country is 236,800 square kilometers, more than 90% is mountainous and plateau areas. And sea areas is currently ruled by the socialist regime, with a population of 6.4 million people use the Lao language. Thailand, but there are people who speak English and French. Most of the population are Buddhists.Vientiane Capital, lao PDR