| ISO-3166-2 | Fips | GN | Name of Subdivision | Type | Capital | Population | lang | continent | From | Till |
| 1 | 11 | 11 | 11 | Seoul Special City  | t’ŭkpyŏlsi (capital city) | Seoul | 10,349,312 | | AS | | |
| 2 | 26 | 10 | 10 | Busan Metropolitan City  | gwangyŏksi (metropolitan city) | Pusan | 3,525,913 | | AS | | |
| 3 | 27 | 15 | 15 | Daegu Metropolitan City  | gwangyŏksi (metropolitan city) | Taegu | 2,527,566 | | AS | | |
| 4 | 28 | 12 | 12 | Incheon Metropolitan City  | gwangyŏksi (metropolitan city) | Inch'ŏn | 2,900,898 | | AS | | |
| 5 | 29 | 18 | 18 | Gwangju Metropolitan City  | gwangyŏksi (metropolitan city) | Kwangju | 1,471,324 | | AS | | |
| 6 | 30 | 19 | 19 | Daejeon Metropolitan City  | gwangyŏksi (metropolitan city) | Taejŏn | 1,539,154 | | AS | | |
| 7 | 31 | 21 | 21 | Ulsan Metropolitan City  | gwangyŏksi (metropolitan city) | Ulsan | 1,163,690 | | AS | | |
| 8 | 41 | 13 | 13 | Gyeonggi-do  | do (province) | Suwŏn | 12,093,000 | | AS | | |
| 9 | 42 | 06 | 06 | Gangwon-do  | do (province) | Ch'unch'ŏn | 1,542,147 | | AS | | |
| 10 | 43 | 05 | 05 | Chungcheongbuk-do  | to (province) | Ch'ŏngju | 1,578,934 | | AS | | |
| 11 | 44 | 17 | 17 | Chungcheongnam-do  | do (province) | Hongsung | 2,033,019 | | AS | | |
| 12 | 45 | 03 | 03 | Jeollabuk-do  | to (province) | Chŏnju | 1,871,747 | | AS | | |
| 13 | 46 | 16 | 16 | Jeollanam-do  | do (province) | Muan | 1,902,324 | | AS | | |
| 14 | 47 | 14 | 14 | Gyeongsangbuk-do  | to (province) | Andong | 2,708,787 | | AS | | |
| 15 | 48 | 20 | 20 | Gyeongsangnam-do  | do (province) | Ch'angwŏn | 3,344,403 | | AS | | |
| 16 | 49 | 01 | 01 | Jeju-do  | do (province) | Cheju | 604,771 | | AS | | |
| 17 | 50 | 22 | 22 | Sejong  | | Sejong | 122,263 | | AS | | |