Nakhon Ratchasima (Thai: นครราชสีมา), often called Korat (RTGS Khorat, โคราช), is one of the northeast provinces (changwat) of Thailand. Neighbouring provinces are (clockwise, from north) Chaiyaphum, Khon Kaen, Buriram, Sa Kaeo, Prachinburi, Nakhon Nayok, Saraburi, and Lopburi