Prasat Hin Phimai is the largest stone Khmer temple in Thailand in Nakhon Ratchasima province. It points out being a center and a main starting point from Mun river basin to the Angkor of Cambodia Kingdom and other states in the Chao Phraya river basin area. Several ancient ruins in Phimai town still remain in and out Phimai ancient town. However, the highlight is Prasat Hin Phimai.
   Almost all of them became collapsed and run down by time. In 1964, the Fine Arts Department was given the corporation by French government in renovation supporting for the principal prang in Prasat Hin Phimai until it was finished in 1968. Prasat Hin Phimai is sorted out as a Mahayana Buddhism’s structure that has been built around the middle of 16th Buddhist century.