| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Uchimi | city | Ulsan-gwangyoksi | Korea, Republic of (South) | 35.5 | 129.3833333 | 0 | 19321 |
| Ulsan | city | Ulsan-gwangyoksi | Korea, Republic of (South) | 35.5372222 | 129.3166667 | 49 | 39962 |
| Um-ni | city | Ulsan-gwangyoksi | Korea, Republic of (South) | 35.6408333 | 129.3886111 | 777 | 24076 |
| Ung-ch'on | city | Ulsan-gwangyoksi | Korea, Republic of (South) | 35.4588889 | 129.2066667 | 236 | 42049 |
| Unhyol-li | city | Ulsan-gwangyoksi | Korea, Republic of (South) | 35.4705556 | 129.1677778 | 318 | 42049 |
| Unp'yong-ni | city | Ulsan-gwangyoksi | Korea, Republic of (South) | 35.6247222 | 129.2211111 | 613 | 39637 |
| Unyang | city | Ulsan-gwangyoksi | Korea, Republic of (South) | 35.5588889 | 129.1202778 | 328 | 41325 |
| Urusan | city | Ulsan-gwangyoksi | Korea, Republic of (South) | 35.5372222 | 129.3166667 | 49 | 39962 |
| Utimi | city | Ulsan-gwangyoksi | Korea, Republic of (South) | 35.5 | 129.3833333 | 0 | 19321 |
| Utini-ni | city | Ulsan-gwangyoksi | Korea, Republic of (South) | 35.5 | 129.3833333 | 0 | 19321 |
| Uum-ni | city | Ulsan-gwangyoksi | Korea, Republic of (South) | 35.6408333 | 129.3886111 | 777 | 24076 |
| Uumgok | city | Ulsan-gwangyoksi | Korea, Republic of (South) | 35.6408333 | 129.3886111 | 777 | 24076 |
| Uŭm-ni | city | Ulsan-gwangyoksi | Korea, Republic of (South) | 35.6408333 | 129.3886111 | 777 | 24076 |
| Uŭmgok | city | Ulsan-gwangyoksi | Korea, Republic of (South) | 35.6408333 | 129.3886111 | 777 | 24076 |