Thanon Chira Junction railway station is the main railway station in Nakhon Ratchasima Province, Thailand. The station is on the south side of the city moat in Nakhon Ratchasima. There are 18 daily trains serving the station. There are also four to six special trains during the Thai New Year, Songkran, and other festivals. In the 2008 census, Thanon Chira Junction railway station served nearly 350,000 passengers.

Nakhon Ratchasima is one of Thailand's seventy-six provinces (changwat) lies in lower northeastern Thailand also called Isan. It is the country's largest province by area, has a population of approximately 2.7 million, and generates about 250 billion baht in GDP, the highest in Isan. Neighbouring provinces are Chaiyaphum, Khon Kaen, Buriram, Sa Kaeo, Prachinburi, Nakhon Nayok, Saraburi, and Lopburi.