| name | office head of government | Mayor | image | Area (m²) | date founded | Elevation (m) | Country | administrative division | continent | latitude (°) | waterbody | longitude (°) | Website | population (people) | Demonym | Map |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Boryeong |  | 569,009,984 | South Korea | South Chungcheong | Asia | 36.3333320618 | 126.5999984741 | website | 101,852 | Map | ||||||
| Cheonan |  | 636,249,984 | 22 | South Korea | South Chungcheong | Asia | 36.8166656494 | 127.1666641235 | website | 651,661 | Map | |||||
| Damyang County | 455,089,984 | South Korea | South Chungcheong | Asia | 35.3166656494 | 126.9833297729 | website | 51,420 | Map | |||||||
| Gongju |  | 940,710,016 | South Korea | South Chungcheong | Asia | 36.4500007629 | 127.1166687012 | website | 113,542 | Map | ||||||
| Hyeongok-myeon | 55,740,000 | South Korea | South Chungcheong | Asia | 35.8833351135 | 129.1666717529 | website | 13,658 | Map |