| Busan (Ville métropolitaine) | 3,498,529 inhabitants | 763 km² |
| Chungcheong du Nord | 1,591,625 inhabitants | 7,432 km² |
| Chungcheong du Sud | 2,096,727 inhabitants | 8,205 km² |
| Daegu (Ville métropolitaine) | 2,484,557 inhabitants | 884 km² |
| Daejeon (Ville métropolitaine) | 1,514,370 inhabitants | 540 km² |
| Gangwon | 1,550,806 inhabitants | 16,875 km² |
| Gwangju (Ville métropolitaine) | 1,469,214 inhabitants | 501 km² |
| Gyeonggi | 12,716,780 inhabitants | 10,184 km² |
| Gyeongsang du Nord | 2,700,398 inhabitants | 19,026 km² |
| Gyeongsang du Sud | 3,373,871 inhabitants | 10,531 km² |
| Incheon (Ville métropolitaine) | 3,002,645 inhabitants | 1,050 km² |
| Jeju (Province spéciale autonome) | 641,597 inhabitants | 1,849 km² |
| Jeolla du Nord | 1,864,791 inhabitants | 8,067 km² |
| Jeolla du Sud | 1,903,914 inhabitants | 12,319 km² |
| Sejong (Ville spéciale autonome) | 243,048 inhabitants | 465 km² |
| Seoul (Special City) | 9,930,616 inhabitants | 605 km² |
| Ulsan (Ville métropolitaine) | 1,172,304 inhabitants | 1,060 km² |
