Nakhon Ratchasima is a city (thesaban nakhon) in the north-east (Isan) of Thailand and gateway to Isan. It is the capital of the Nakhon Ratchasima Province and Nakhon Ratchasima district. As of August 16, 2010 the municipal area has a population of 142,645.
The city is also commonly known as Korat a short version of the full name. It is located at the western edge of the Khorat Plateau and historically marked the boundary between the Lao and Siamese territory.
History
Archeological evidence suggests that there were two ancient towns that later became named Sema and Nakhon Raj which currently are in Sung Noen district, 32 km west of present-day Nakhonratchasima (Korat). Nakhon means capital, Raj means kingdom or state in Hindi languages.
Prior to the fourteenth century, the area of Nakhon Ratchasima was under the Khmer empire suzerainty (known in Khmer as Nokor Reach Seyma / Nokor Reach Borei, and Koreach) while another town to the north, Phimai, was likely more important.
Narai, king of the Ayutthaya from 1656 to 1688, ordered a new city built, to serve as a stronghold on Ayutthaya's northeastern frontier. Nakhon Ratchasima was subsequently mentioned in Siamese chronicles and legal documents as a 'second - class' city of the kingdom. A governor was named who ruled the city as a dynasty.
In the aftermath of the final phase of the Ayutthaya kingdom that had ended with its complete destruction by the Burmese in 1767, Prince Theppipit, a son of King Boromakot, attempted to set himself up the ruler of Phimai holding sway over Korat and other eastern provinces. King Taksin of the successor Thonburi Kingdom (1768–1782) sent two of his generals, the brothers Thong Duang and Boonma to defeat the prince, who was then executed in 1768. Thong Duang became King Rama I of the kingdom in 1782, and Korat became his strategic stronghold on the northeastern frontier supervising Lao and Khmer tributary states.