| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Umch'on | city | Gyeonggi | Korea, Republic of (South) | 37.26 | 127.69 | 160 | 21372 |
| Umch'on | city | Gangwon | Korea, Republic of (South) | 37.71 | 128.23 | 1669 | 2533 |
| Umch'on | city | Gyeongnam | Korea, Republic of (South) | 35.53 | 127.65 | 1669 | 6679 |
| Umch'on-dong | city | Gyeonggi | Korea, Republic of (South) | 37.08 | 127.35 | 830 | 8542 |
| Umch'on-dong | city | Gyeonggi | Korea, Republic of (South) | 37.36 | 127.53 | 147 | 13962 |
| Umch'on-mal | city | Gyeonggi | Korea, Republic of (South) | 37.77 | 126.80 | 101 | 22350 |