| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ulbawi | city | Gyeonggi | Korea, Republic of (South) | 37.96 | 127.25 | 830 | 22295 |
| Uldae-ri | city | Gyeonggi | Korea, Republic of (South) | 37.73 | 126.99 | 830 | 134761 |
| Uldaeri | city | Gyeonggi | Korea, Republic of (South) | 37.73 | 126.99 | 830 | 134761 |
| Ulddui | city | Gyeonggi | Korea, Republic of (South) | 37.73 | 126.99 | 830 | 134761 |
| Uleop | city | Gyeonggi | Korea, Republic of (South) | 37.69 | 127.49 | 259 | 157 |
| Ullidong | city | Gyeonggi | Korea, Republic of (South) | 37.78 | 126.88 | 301 | 23405 |
| Ulseong | city | Gyeonggi | Korea, Republic of (South) | 37.01 | 127.06 | 19 | 159230 |
| Ulsong | city | Gyeonggi | Korea, Republic of (South) | 37.01 | 127.06 | 19 | 159230 |
| Ultae-ri | city | Gyeonggi | Korea, Republic of (South) | 37.73 | 126.99 | 830 | 134761 |