| ISO-3166-2 | Fips | GN | Name of Subdivision | Type | Capital | Population | area in km² | lang | continent | From | Till |
| 1 | 11 | 11 | 11 | Seoul Special City | t’ŭkpyŏlsi (capital city) | Seoul | 10,349,312 | 579.6 | | AS | | |
| 2 | 26 | 10 | 10 | Busan Metropolitan City  | gwangyŏksi (metropolitan city) | Pusan | 3,798,113 | 343.3 | | AS | | |
| 3 | 27 | 15 | 15 | Daegu Metropolitan City | gwangyŏksi (metropolitan city) | Taegu | 2,229,040 | 454.4 | | AS | | |
| 4 | 28 | 12 | 12 | Incheon Metropolitan City | gwangyŏksi (metropolitan city) | Inch'ŏn | 1,817,919 | 179.6 | | AS | | |
| 5 | 29 | 18 | 18 | Gwangju Metropolitan City  | gwangyŏksi (metropolitan city) | Kwangju | 1,139,003 | 613.1 | | AS | | |
| 6 | 30 | 19 | 19 | Daejeon Metropolitan City  | gwangyŏksi (metropolitan city) | Taejŏn | | | | AS | | |
| 7 | 31 | 21 | 21 | Ulsan Metropolitan City | gwangyŏksi (metropolitan city) | Ulsan | | | | AS | | |
| 8 | 41 | 13 | 13 | Gyeonggi-do  | do (province) | Suwŏn | 6,155,632 | 10,472.8 | | AS | | |
| 9 | 42 | 06 | 06 | Gangwon-do | do (province) | Ch'unch'ŏn | 1,580,430 | 17,059.8 | | AS | | |
| 10 | 43 | 05 | 05 | Chungcheongbuk-do | to (province) | Ch'ŏngju | 1,389,686 | 7,410.8 | | AS | | |
| 11 | 44 | 17 | 17 | Chungcheongnam-do  | do (province) | | 2,013,926 | 8,628.2 | | AS | | |
| 12 | 45 | 03 | 03 | Jeollabuk-do | to (province) | Chŏnju | | | | AS | | |
| 13 | 46 | 16 | 16 | Jeollanam-do  | do (province) | | | | | AS | | |
| 14 | 47 | 14 | 14 | Gyeongsangbuk-do  | to (province) | | 2,860,595 | 19,531.8 | | AS | | |
| 15 | 48 | 20 | 20 | Gyeongsangnam-do  | do (province) | Ch'angwŏn | | | | AS | | |
| 16 | 49 | 01 | 01 | Jeju-do  | do (province) | Cheju | | 1,876.9 | | AS | | |