| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Um-dong | city | Gyeonggi | Korea, Republic of (South) | 37.67 | 127.52 | 830 | 491 |
| Umal-li | city | Gyeonggi | Korea, Republic of (South) | 37.26 | 127.68 | 134 | 26762 |
| Umalli | city | Gyeonggi | Korea, Republic of (South) | 37.26 | 127.68 | 134 | 26762 |
| Uman-dong | city | Gyeonggi | Korea, Republic of (South) | 37.28 | 127.03 | 164 | 638903 |
| Uman-ri | city | Gyeonggi | Korea, Republic of (South) | 37.26 | 127.68 | 134 | 26762 |
| Umandong | city | Gyeonggi | Korea, Republic of (South) | 37.28 | 127.03 | 164 | 638903 |
| Umani-dong | city | Gyeonggi | Korea, Republic of (South) | 37.28 | 127.04 | 147 | 659258 |
| Umanil-dong | city | Gyeonggi | Korea, Republic of (South) | 37.29 | 127.04 | 164 | 609980 |
| Umanil-tong | city | Gyeonggi | Korea, Republic of (South) | 37.29 | 127.04 | 164 | 609980 |
| Umch'on | city | Gyeonggi | Korea, Republic of (South) | 37.26 | 127.69 | 160 | 21372 |
| 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 |
| Umdal-mal | city | Gyeonggi | Korea, Republic of (South) | 37.38 | 127.15 | 370 | 500165 |
| Umdal-mal | city | Gyeonggi | Korea, Republic of (South) | 37.26 | 127.12 | 298 | 235503 |
| Umdal-mal | city | Gyeonggi | Korea, Republic of (South) | 37.39 | 127.75 | 839 | 11173 |
| Umdal-mal | city | Gyeonggi | Korea, Republic of (South) | 37.40 | 127.60 | 180 | 9253 |
| Umdal-mal | city | Gyeonggi | Korea, Republic of (South) | 37.83 | 126.88 | 269 | 23354 |
| Umdal-mal | city | Gyeonggi | Korea, Republic of (South) | 37.80 | 127.04 | 209 | 55157 |
| Umdal-mal | city | Gyeonggi | Korea, Republic of (South) | 37.92 | 127.18 | 830 | 24148 |
| Umdal-mal | city | Gyeonggi | Korea, Republic of (South) | 37.73 | 126.98 | 830 | 79875 |
| Umdal-mal | city | Gyeonggi | Korea, Republic of (South) | 37.21 | 127.58 | 269 | 28738 |
| Umdal-mal | city | Gyeonggi | Korea, Republic of (South) | 37.05 | 127.56 | 830 | 12263 |
| Umdalch'on | city | Gyeonggi | Korea, Republic of (South) | 37.72 | 126.86 | 141 | 155491 |
| Umigi | city | Gyeonggi | Korea, Republic of (South) | 37.24 | 127.65 | 219 | 25022 |
| Uminae | city | Gyeonggi | Korea, Republic of (South) | 37.56 | 127.11 | 3 | 1792500 |
| Umji-mal | city | Gyeonggi | Korea, Republic of (South) | 37.30 | 127.74 | 830 | 12752 |
| Umjip'yon | city | Gyeonggi | Korea, Republic of (South) | 37.20 | 127.12 | 298 | 141829 |
| Umjip'yon | city | Gyeonggi | Korea, Republic of (South) | 37.83 | 127.29 | 1033 | 36623 |
| Umjugumnae | city | Gyeonggi | Korea, Republic of (South) | 37.14 | 127.57 | 291 | 10010 |
| Umnae-ri | city | Gyeonggi | Korea, Republic of (South) | 37.94 | 126.75 | 88 | 19073 |
| Umok-kol | city | Gyeonggi | Korea, Republic of (South) | 37.89 | 127.37 | 1223 | 1275 |
| Umokgol | city | Gyeonggi | Korea, Republic of (South) | 37.89 | 127.37 | 1223 | 1275 |
| Umokgol | city | Gyeonggi | Korea, Republic of (South) | 37.62 | 126.90 | 232 | 629546 |
| Umteo | city | Gyeonggi | Korea, Republic of (South) | 38.03 | 127.06 | 150 | 8179 |
| Umudong | city | Gyeonggi | Korea, Republic of (South) | 37.85 | 127.47 | 830 | 0 |
| Umujeonggol | city | Gyeonggi | Korea, Republic of (South) | 37.80 | 127.33 | 830 | 29004 |
| Umulmok | city | Gyeonggi | Korea, Republic of (South) | 38.05 | 127.31 | 1151 | 21090 |
| Umulsil | city | Gyeonggi | Korea, Republic of (South) | 37.14 | 127.50 | 298 | 8345 |
| Umunae | city | Gyeonggi | Korea, Republic of (South) | 37.74 | 127.44 | 994 | 0 |