| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Ui-dong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.6666667 | 127.0166667 | 219 | 696669 |
| Um-gol | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 126.8333333 | 91 | 596056 |
| Um-kol | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 126.8333333 | 91 | 596056 |
| Umdal-li | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5666667 | 126.9333333 | 137 | 1771161 |
| Umnae | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5666667 | 126.85 | 52 | 1153575 |
| Umnae | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.45 | 126.9 | 91 | 879730 |
| Umnae | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.45 | 126.9166667 | 698 | 1135244 |
| Umwol-tong | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5666667 | 126.9333333 | 137 | 1771161 |
| Unwol-li | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.5666667 | 126.9333333 | 137 | 1771161 |
| Uwap'i | city | Soul-t'ukpyolsi | Korea, Republic of (South) | 37.4833333 | 126.9166667 | 137 | 1852178 |