Population 10.81 million (as of 2023*)
Description Central Thailand delineated here is bound by national borders with Myanmar in the west and Cambodia in the east, with the Gulf of Thailand to the south. Known for its tropical climate, its natural geography spans the flood plains of the Chao Phraya River, parts of the Tanao Si Mountain range, and the exceptionally biodiverse. As the heart of the country, Central Thailand is the seat of traditional Thai culture and power, encompassing rich historical sites like the second Siamese capital of Ayutthaya along with the current capital of Bangkok and its surrounding provinces.