- Country: Thailand
- Population: 208,781
- Latitude: 14° 58.24' N (14.97066°)
- Longitude: 102° 6.12' E (102.10196°)
- Elevation: 187 m/614 ft. above sea level
- Time zone: Asia/Bangkok (UTC +07:00); DST not observed
- Alternate names: Amphoe Muang Nakhon Ratchasima, Changwat Nakhon Rarchasima, Changwat Nakhon Rat Sima, Corat, Khorat, Korat, Koyat, Lungsod ng Nakhon Ratchasima, Muang Nakawn Rachasima, Nagara Rajasima, Nagor Rajashima, Nagor Rajasima, NAK, Nakhaun Rachasima, Nakhon Ratčasima, Nakhon Ratchasim, Nakhon Ratchsima, Nakhon Ratcsaszima, Nakhon Ratczasima, Nakhonratčasim, Nakhonratčasima, Nakhonratsima, Nakonrajsima, Nakonratchasima, Nakorn Rajsima, Накхонратчасима, ناخون راتشاسيما, ناکھون راتچاسیما, نکھون راٹچاسیما, นครราชสีมา, เทศบาลนครนครราชสีมา, នគររាជសីមា, ナコーンラーチャシーマー, 呵叻, 나콘랏차시마
- Alternate names: Amphoe Muang Nakhon Ratchasima, Changwat Nakhon Rarchasima, Changwat Nakhon Rat Sima, Corat, Khorat, Korat, Koyat, Lungsod ng Nakhon Ratchasima, Muang Nakawn Rachasima, NAK, Nagara Rajasima, Nagor Rajashima, Nagor Rajasima, Nakhaun Rachasima, Nakhon Ratca
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