In the reign of the Kingdom of Ayutthaya. Bangkok is also only a small trade station located at the mouth of the Chao Phraya River. Subsequently, The increase in size and is home to two capitals is thon buri in 2311 and 2325 in Rattanakosin, Bangkok is at the heart of modern Siam and an arena in the middle of a political battle of the country throughout the 20th century the rapidly growing metropolitan and currently has a significant impact on the city. The economy, education, the media and modern society of Thailand. During the heyday of investment in Asia. Make a lot of multinational corporation came into the region, headquartered in Bangkok. Bangkok is making are the main business and finance in the region. It is also a transport hub and sukrawang countries and the public is growing as a centre of art, fashion and entertainment, however, in the region. Rapid growth of Bangkok's lack of urban planning System infrastructure is not enough. Limited street car and widespread traffic congestion problem resulting in chronic.