| Name | Population | Latitude/Longitude |
| 1 | Seoul , Seoul |
10,349,312 |
37.566 / 126.978 |
| 2 | Busan , Busan |
3,343,903 |
35.102 / 129.03 |
| 3 | Incheon , Incheon |
3,016,250 |
37.456 / 126.705 |
| 4 | Daegu , Daegu |
2,365,523 |
35.87 / 128.591 |
| 5 | Daejeon , Daejeon |
1,470,336 |
36.349 / 127.385 |
| 6 | Gwangju , Gwangju |
1,411,357 |
35.155 / 126.916 |
| 7 | Suwon , Gyeonggi-do |
1,195,045 |
37.291 / 127.009 |
| 8 | Ulsan , Ulsan |
1,098,728 |
35.537 / 129.317 |
| 9 | Goyang-si , Gyeonggi-do |
1,074,784 |
37.656 / 126.835 |
| 10 | Changwon, Gyeongsangnam-do |
1,025,702 |
35.228 / 128.681 |
| 11 | Seongnam-si , Gyeonggi-do |
914,832 |
37.439 / 127.138 |
| 12 | Cheongju-si , North Chungcheong |
853,938 |
36.637 / 127.49 |