| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Udumul | city | Gyeonggi | Korea, Republic of (South) | 37.36 | 126.96 | 154 | 652690 |
| Udwangbang | city | Gyeonggi | Korea, Republic of (South) | 37.90 | 127.14 | 958 | 46357 |
| Udyangwol-li | city | Gyeonggi | Korea, Republic of (South) | 37.98 | 127.03 | 830 | 17271 |
| Udyangwolli | city | Gyeonggi | Korea, Republic of (South) | 37.98 | 127.03 | 830 | 17271 |