| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Ul-dschin | city | Gyeongbuk | Korea, Republic of (South) | 36.99 | 129.40 | 75 | 4580 |
| Ul-li | city | Gwangju | Korea, Republic of (South) | 35.12 | 126.87 | 262 | 474339 |
| Ulbau | city | Chungnam | Korea, Republic of (South) | 36.11 | 127.54 | 830 | 14680 |
| Ulbawi | city | Chungbuk | Korea, Republic of (South) | 36.67 | 127.84 | 1013 | 12266 |
| Ulbawi | city | Chungnam | Korea, Republic of (South) | 36.76 | 126.96 | 91 | 58070 |
| Ulbawi | city | Gyeonggi | Korea, Republic of (South) | 37.96 | 127.25 | 830 | 22295 |
| Ulbawi | city | Chungnam | Korea, Republic of (South) | 36.20 | 127.21 | 98 | 10468 |
| Ulbawi | city | Daejeon | Korea, Republic of (South) | 36.31 | 127.36 | 150 | 197092 |
| Ulbit | city | Gyeongnam | Korea, Republic of (South) | 35.09 | 128.43 | 830 | 91591 |
| Ulchin | city | Gyeongbuk | Korea, Republic of (South) | 36.99 | 129.40 | 75 | 4580 |
| 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 |
| Uldo-ri | city | Incheon | Korea, Republic of (South) | 37.03 | 125.99 | 0 | 6999 |
| Uleop | city | Gyeonggi | Korea, Republic of (South) | 37.69 | 127.49 | 259 | 157 |
| Ulgok | city | Gyeongbuk | Korea, Republic of (South) | 35.95 | 128.08 | 1669 | 5379 |
| Ulgong-ni | city | Gyeongbuk | Korea, Republic of (South) | 35.95 | 128.08 | 1669 | 4954 |
| Ulgong-ni | city | Gyeongbuk | Korea, Republic of (South) | 35.95 | 128.08 | 1669 | 5379 |
| Ulgong-ni | city | Gyeongbuk | Korea, Republic of (South) | 35.76 | 129.04 | 830 | 8484 |
| Ulgye | city | Chungnam | Korea, Republic of (South) | 36.38 | 126.57 | 19 | 36516 |
| Uljin | city | Gyeongbuk | Korea, Republic of (South) | 36.99 | 129.40 | 75 | 4580 |
| Ullegi | city | Incheon | Korea, Republic of (South) | 37.71 | 126.47 | 55 | 11770 |
| Ullidong | city | Gyeonggi | Korea, Republic of (South) | 37.78 | 126.88 | 301 | 23405 |
| Ullim-ni | city | Jeonnam | Korea, Republic of (South) | 34.87 | 127.13 | 830 | 6110 |
| Ullung | city | Gyeongbuk | Korea, Republic of (South) | 37.48 | 130.91 | 3 | 0 |
| Ullyong | city | Gyeongbuk | Korea, Republic of (South) | 35.66 | 128.90 | 830 | 7788 |
| Ullyong-ni | city | Chungnam | Korea, Republic of (South) | 36.52 | 126.68 | 150 | 19393 |
| Ullyong-ni | city | Jeonnam | Korea, Republic of (South) | 35.09 | 127.20 | 341 | 9438 |
| Ullyong-ni | city | Chungnam | Korea, Republic of (South) | 36.86 | 127.27 | 830 | 46958 |
| Ullyŏng-ni | city | Jeonnam | Korea, Republic of (South) | 34.94 | 127.44 | 111 | 62538 |
| Ulmi | city | Chungbuk | Korea, Republic of (South) | 37.10 | 128.40 | 830 | 3615 |
| Ulmil | city | Gangwon | Korea, Republic of (South) | 37.70 | 127.84 | 403 | 18016 |
| Ulmol | city | Jeonnam | Korea, Republic of (South) | 34.33 | 126.83 | 246 | 3075 |
| Ulnegi | city | Incheon | Korea, Republic of (South) | 37.71 | 126.47 | 55 | 11770 |
| Ulsal-li | city | Chungbuk | Korea, Republic of (South) | 36.50 | 127.64 | 1151 | 7755 |
| Ulsan | city | Ulsan | Korea, Republic of (South) | 35.54 | 129.32 | 49 | 503126 |
| Ulsan | city | Gyeongbuk | Korea, Republic of (South) | 35.69 | 128.68 | 357 | 7951 |
| Ulsan Metropolitan City | city | Ulsan | Korea, Republic of (South) | 35.54 | 129.32 | 49 | 503126 |
| Ulsan-ni | city | Chungbuk | Korea, Republic of (South) | 36.83 | 128.37 | 2509 | 5179 |
| Ulsan-si | city | Ulsan | Korea, Republic of (South) | 35.54 | 129.32 | 49 | 503126 |
| Ulsanas | city | Ulsan | Korea, Republic of (South) | 35.54 | 129.32 | 49 | 503126 |
| Ulseong | city | Gyeonggi | Korea, Republic of (South) | 37.01 | 127.06 | 19 | 159230 |
| Ulsil | city | Gyeongbuk | Korea, Republic of (South) | 35.82 | 128.83 | 328 | 59054 |
| Ulsil-li | city | Gyeongbuk | Korea, Republic of (South) | 35.95 | 128.08 | 1669 | 4954 |
| Ulsil-li | city | Gyeongbuk | Korea, Republic of (South) | 35.95 | 128.08 | 1669 | 5379 |
| Ulsong | city | Gyeonggi | Korea, Republic of (South) | 37.01 | 127.06 | 19 | 159230 |
| Ulsu-dong | city | Gangwon | Korea, Republic of (South) | 37.81 | 128.48 | 2509 | 2522 |
| Ulsuogu | city | Gangwon | Korea, Republic of (South) | 37.82 | 128.45 | 2076 | 2524 |
| Ultae-ri | city | Gyeonggi | Korea, Republic of (South) | 37.73 | 126.99 | 830 | 134761 |
| Ulto-ri | city | Incheon | Korea, Republic of (South) | 37.03 | 125.99 | 0 | 6999 |
| Ulto-ri | city | Incheon | Korea, Republic of (South) | 37.02 | 126.00 | 68 | 6774 |
| Ultti | city | Chungnam | Korea, Republic of (South) | 36.43 | 126.67 | 367 | 13825 |
| Ulttui | city | Chungnam | Korea, Republic of (South) | 36.43 | 126.67 | 367 | 13825 |
| Ultun | city | Gangwon | Korea, Republic of (South) | 37.49 | 128.13 | 1669 | 0 |
| Ultun | city | Gangwon | Korea, Republic of (South) | 37.27 | 128.93 | 3349 | 4422 |