Top 10 Largest Cities In South Korea are:
| Rank | Biggest Cities | Metro Population |
| 1 | Seoul | 25,514,000 |
| 2 | Busan | 8,202,239 |
| 3 | Incheon | 2,978,367 |
| 4 | Daegu | 2,492,994 |
| 5 | Daujeon | 1,535,028 |
| 6 | Gwangju | 1,477,780 |
| 7 | Suwon | 1,170,878 |
| 8 | Ulsan | 1,163,690 |
| 9 | Changwon | 1,070,199 |
| 10 | Seongnam | 994,271 |