Mueang Nakhon Ratchasima is an ancient city. The present city was built in the reign of King Narai the Great of Ayutthaya kingdom. The king merged the two ancient cities, Mueang Sema and Mueang Khorakha Pura (Khorat) and moved to the present area. He named the new city Nakhon Ratchasima and set it as the eastern frontier city of Ayutthaya. The landscape and city planning of Nakhon Ratchasima city designed by French architect. The city of various Khmer ruins and the famous statute of Khun Ying Mo named Nakhon Ratchasima or commonly known as "Khorat" is situated on Khorat plateau, the lower part of Northeastern plateau of Thailand.