| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ch'ongnung | city | Seoul | Korea, Republic of (South) | 37.48 | 126.95 | 137 | 1434446 |
| Ch'ongnyong-mal | city | Seoul | Korea, Republic of (South) | 37.45 | 127.06 | 265 | 913241 |
| Ch'ungjong | city | Seoul | Korea, Republic of (South) | 37.60 | 126.83 | 124 | 512466 |
| Chae-mal | city | Seoul | Korea, Republic of (South) | 37.64 | 126.93 | 295 | 648433 |
| Chagok-tong | city | Seoul | Korea, Republic of (South) | 37.47 | 127.09 | 147 | 1449870 |
| Chaha-dong | city | Seoul | Korea, Republic of (South) | 37.47 | 126.95 | 337 | 1393447 |
| Chamajang-ni | city | Seoul | Korea, Republic of (South) | 37.52 | 127.07 | 55 | 1678244 |
| Chamoraengi | city | Seoul | Korea, Republic of (South) | 33.48 | 126.44 | 164 | 64033 |
| Chamsil | city | Seoul | Korea, Republic of (South) | 37.52 | 127.00 | 45 | 1227937 |
| Chamsil-li | city | Seoul | Korea, Republic of (South) | 37.52 | 127.00 | 45 | 1227937 |
| Changdong | city | Seoul | Korea, Republic of (South) | 37.66 | 127.05 | 68 | 1231436 |
| Changhwa-jong | city | Seoul | Korea, Republic of (South) | 37.54 | 126.89 | 65 | 1612044 |
| Changjeondong | city | Seoul | Korea, Republic of (South) | 37.56 | 126.93 | 101 | 1489506 |
| Changwi | city | Seoul | Korea, Republic of (South) | 37.62 | 127.05 | 72 | 1866895 |
| Changwi-dong | city | Seoul | Korea, Republic of (South) | 37.62 | 127.05 | 72 | 1866895 |
| Chegang-mal | city | Seoul | Korea, Republic of (South) | 37.64 | 126.93 | 203 | 633558 |
| Cheong-am-dong | city | Seoul | Korea, Republic of (South) | 37.53 | 126.95 | 55 | 1604395 |
| Cheongamdong | city | Seoul | Korea, Republic of (South) | 37.53 | 126.95 | 55 | 1604395 |
| Cheongnyongmal | city | Seoul | Korea, Republic of (South) | 37.45 | 127.06 | 265 | 913241 |
| Cheonho | city | Seoul | Korea, Republic of (South) | 37.54 | 127.13 | 65 | 1671929 |
| Cheonho-dong | city | Seoul | Korea, Republic of (South) | 37.54 | 127.13 | 65 | 1661828 |
| Cheonhodong | city | Seoul | Korea, Republic of (South) | 37.54 | 127.13 | 65 | 1661828 |
| Cheonhodong | city | Seoul | Korea, Republic of (South) | 37.54 | 127.13 | 65 | 1671929 |
| Cheonwang-dong | city | Seoul | Korea, Republic of (South) | 37.48 | 126.84 | 42 | 1301066 |
| Cheonwangdong | city | Seoul | Korea, Republic of (South) | 37.48 | 126.84 | 42 | 1301066 |
| Choei-yuen | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Chom-mal | city | Seoul | Korea, Republic of (South) | 37.56 | 127.13 | 75 | 1412056 |
| Chong-noong Dong | city | Seoul | Korea, Republic of (South) | 37.48 | 126.95 | 137 | 1434446 |
| Chongnung-ni | city | Seoul | Korea, Republic of (South) | 37.48 | 126.95 | 137 | 1434446 |
| Chukpawi | city | Seoul | Korea, Republic of (South) | 37.46 | 127.03 | 347 | 961803 |
| Chung-gol | city | Seoul | Korea, Republic of (South) | 37.65 | 126.95 | 285 | 513409 |
| Chunggok-tong | city | Seoul | Korea, Republic of (South) | 37.56 | 127.09 | 200 | 1853809 |
| Chŏng-dong | city | Seoul | Korea, Republic of (South) | 37.57 | 126.97 | 147 | 1403869 |
| Chŏngnŭng-dong | city | Seoul | Korea, Republic of (South) | 37.62 | 126.99 | 830 | 1124637 |
| Ch’angch’ŏn-jŏng | city | Seoul | Korea, Republic of (South) | 37.56 | 126.93 | 101 | 1489506 |
| Ch’ungjŏng | city | Seoul | Korea, Republic of (South) | 37.60 | 126.83 | 124 | 512466 |
| Ch’ŏngnyong-mal | city | Seoul | Korea, Republic of (South) | 37.45 | 127.06 | 265 | 913241 |
| Ch’ŏngnŭng | city | Seoul | Korea, Republic of (South) | 37.48 | 126.95 | 137 | 1434446 |
| Ch’ŏnho-dong | city | Seoul | Korea, Republic of (South) | 37.54 | 127.13 | 65 | 1671929 |