Seoul
Population: 23,016,000
Busan
Population: 3,453,198
Incheon
Population: 2,936,117
Daegu
Population: 2,376,044
Gwangju
Population: 1,490,092
Daejeon
Population: 1,475,221
Gyeonggi
Population: 1,234,300
Ulsan
Population: 1,150,116
Population: 1,076,369
Population: 1,061,929
Gyeongnam
Population: 1,009,998
Population: 941,489
Population: 918,771
Chungbuk
Population: 852,018
Population: 781,119
Population: 732,376
Population: 652,800
Chungnam
Population: 651,661
Population: 550,758
Population: 548,372
Gyeongbuk
Population: 503,780