Phimai Stone Castle, the largest in Thailand

Phimai Historical Park is an ancient Khmer-style stone castle in the Bapuan style, located in Phimai District, Nakhon Ratchasima Province. It consists of large and beautiful stone castles from the Khmer Empire. They were built during the reign of King Suryavarman I around the 16th Buddhist century to be used as a temple for the Brahman religion, and later changed to Mahayana Buddhism. Phimai Stone Castle was built similar to Mount Sumeru. The main castle is located in the center of the temple, which is like a connection between the world and heaven. Phimai Stone Castle is the largest stone castle in Thailand. Phimai Historical Park is located in Nai Mueang Subdistrict, Phimai District, Nakhon Ratchasima Province, approximately 60 kilometers northeast of Nakhon Ratchasima Province.