1. Seoul – 10,349,312
Capital and by far the largest city, political and financial center of the nation.
2. Busan – 3,678,555
Major port city and second-most populous metropolis.
3. Incheon – 2,954,955
Important port and airport gateway adjacent to Seoul.
4. Daegu – 2,566,540
Historic southern textile and medical technology hub.
5. Gwangju – 1,490,092
Cultural and democratic heartland in southwest Korea.
6. Daejeon – 1,469,543
Science and research center, home to national universities.
7. Suwon – 1,241,311
Gyeonggi Province capital, famed for Hwaseong Fortress.
8. Goyang – 1,073,069
Major Seoul satellite city, known for parks and media complexes.
9. Seongnam – 1,031,935
Tech-industrial planned city south of Seoul.
10. Changwon – 1,025,702
Planned industrial city in South Gyeongsang.
11. Ulsan – 962,865
Industrial powerhouse with shipyards and automotive plants.
12. Bucheon – 850,731
Dense residential‑industrial city between Seoul and Incheon.
13. Cheongju – 846,291
North Chungcheong’s capital and administrative hub.
14. Ansan – 716,785
Multicultural port suburb in Gyeonggi Province.
15. Cheonan – 666,417
Key transport hub in South Chungcheong Province.
16. Jeonju – 652,392
Historic Hanok village city and bibimbap cuisine center.
17. Hwaseong – 640,890
Rapidly growing Gyeonggi city blending urban and rural zones.
18. Anyang – 595,644
Commuter city of Seoul with tech industry clusters.
19. Gimhae – 550,758
Historic city adjacent to Busan, known for ancient tombs.
20. Pohang – 500,000
Steel-making coastal city and port on the east coast.
21. Jeju City – 486,306
Capital of Jeju Island, tourism and transport hub.
22. Uijeongbu – 479,141
Northern Seoul suburb with dense commuter population.
23. Masan – 434,371
Former city now part of Changwon, known for port and fish markets.
24. Gumi – 427,770
Northern Gyeongsang industrial city with electronics factories.
25. Pyeongtaek – 364,694
Logistics and transport hub, home to U.S. military base.
26. Gwangmyeong – 357,545
Suburban city near Seoul with retail and rail connections.
27. Sejong – 351,007
Planned administrative capital hosting many national ministries.
28. Yangsan – 342,371
Emerging residential-industrial city near Busan.
29. Wonju – 332,849
Gangwon’s largest city, center for mountain tourism and industry.
30. Jinju – 307,242
Historic festival city in South Gyeongsang with fortress heritage.
31. Iksan – 307,000
Jeollabuk Province city known for jewelry and agriculture.
32. Yeosu – 295,538
Expo 2012 host city with scenic islands and port activities.
33. Gunpo – 286,485
Commuter city in Gyeonggi Province near Seoul.
34. Mokpo – 268,402
Southwestern port city known for seafood culture.
35. Hanam – 254,415
Increasingly urbanized city east of Seoul with lakeside developments.
36. Gunsan – 243,406
Western coastal city with industrial port and Korean Air manufacturing.
37. Suncheon – 230,796
Ecological tourism city with wetlands and cultural heritage.
38. Chuncheon – 209,746
Gangwon Province capital, known for lakes and Dakgalbi cuisine.
39. Chungju – 209,483
Inland city known for dam festivals and reservoir tourism.
40. Icheon – 196,230
Ceramics capital and logistics center in Gyeonggi Province.
41. Gangneung – 215,000
East coast winter-sports city and coffee festival hub.
42. Anseong – 203,030
Cultural city in Gyeonggi Province, famous for reenactments and horse culture.
43. Guri – 192,051
Suburban city on the Han River with historical sites.
44. Seosan – 176,379
Agricultural and industrial city near the West Sea coast.
45. Dangjin – 168,955
Steel and petrochemical center on Korea’s west coast.
46. Uiwang – 160,230
Residential-industrial commuter city in Gyeonggi.
47. Andong – 159,412
Cultural Confucian heritage city of North Gyeongsang Province.
48. Pocheon – 157,939
Gyeonggi city known for granite and scenic rural landscapes.
49. Gwangyang – 143,928
South Jeolla port city with major steelworks.
50. Yeongju – 114,000 approx.
Northern Gyeongsang town known for culture and proximity to Andong/yeongcheon area.
The above is subject to change.
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