| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
| Uch'on'gok | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.9108333 | 129.5219444 | 534 | 13681 |
| Uch'onggok | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.9108333 | 129.5219444 | 534 | 13681 |
| Uch'onhap'yong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 42.4166667 | 129.8666667 | 1151 | 13367 |
| Uch'onhap'yŏng | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 42.4166667 | 129.8666667 | 1151 | 13367 |
| Uch'ŏn'gok | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.9108333 | 129.5219444 | 534 | 13681 |
| Uch'ŏnggok | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.9108333 | 129.5219444 | 534 | 13681 |
| Udan | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.8491667 | 129.5816667 | 78 | 10833 |
| Udong-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.1469444 | 129.7105556 | 32 | 6083 |
| Uha | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.1444444 | 129.7141667 | 49 | 6083 |
| Ujang-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.0925 | 129.4486111 | 980 | 13647 |
| Ullyong-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.2719444 | 129.5636111 | 452 | 13612 |
| Ullyong-ni | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.0697222 | 129.4113889 | 1033 | 13657 |
| Uman-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 42.4436111 | 129.9713889 | 1177 | 13367 |
| Umji-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.9136111 | 128.9502778 | 3845 | 15437 |
| Ummandai | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.9491667 | 129.7488889 | 0 | 8921 |
| Umnae-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.1947222 | 129.4677778 | 498 | 13629 |
| Un'gi-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 42.2855556 | 129.5777778 | 1965 | 13402 |
| Un'gok | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.7269444 | 129.2627778 | 285 | 10691 |
| Un'gok-tong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.4775 | 129.6536111 | 9 | 9126 |
| Un'gong-ni | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.4775 | 129.6536111 | 9 | 9126 |
| Unae-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.1908333 | 129.3438889 | 1548 | 13629 |
| Unam-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.7491667 | 129.6897222 | 68 | 13183 |
| Undog-up | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 42.5172222 | 130.3408333 | 157 | 13348 |
| Undok | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 42.5172222 | 130.3408333 | 157 | 13348 |
| Undok-tong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.7077778 | 129.6416667 | 288 | 13209 |
| Ung-gol | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.5722222 | 129.4580556 | 1666 | 13550 |
| Ung-kol | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.5722222 | 129.4580556 | 1666 | 13550 |
| Ungam | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.3333333 | 129.7833333 | 3 | 7413 |
| Ungbong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.1163889 | 129.3338889 | 1246 | 13647 |
| Ungdo-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.85 | 129.65 | 52 | 9218 |
| Ungdok-ch'on | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.9591667 | 129.2658333 | 561 | 13672 |
| Ungdongogu | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.9136111 | 128.8816667 | 2732 | 13480 |
| Ungdŏk-ch'on | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.9591667 | 129.2658333 | 561 | 13672 |
| Unggi-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 42.9 | 130.15 | 547 | 10187 |
| Ungjom-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.3 | 129.3833333 | 1377 | 13602 |
| Ungjom-ni | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.3 | 129.3833333 | 1377 | 13602 |
| Ungju-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.2063889 | 129.1830556 | 3763 | 13629 |
| Ungjŏm-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.3 | 129.3833333 | 1377 | 13602 |
| Ungjŏm-ni | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.3 | 129.3833333 | 1377 | 13602 |
| Ungnam-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.1980556 | 129.1986111 | 3474 | 13629 |
| Unho-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.6419444 | 129.1794444 | 32 | 8226 |
| Unho-ri | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.6419444 | 129.1794444 | 32 | 8226 |
| Unhye-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.7952778 | 129.855 | 0 | 8100 |
| Unkoku | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.7269444 | 129.2627778 | 285 | 10691 |
| Unmandae | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.9491667 | 129.7488889 | 0 | 8921 |
| Unmantai | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.9491667 | 129.7488889 | 0 | 8921 |
| Unp'o | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.2291667 | 129.5841667 | 213 | 13620 |
| Unsajang | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.1833333 | 129.4 | 675 | 13629 |
| Unsan-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.4847222 | 129.44 | 1702 | 13567 |
| Unsuam | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.7783333 | 129.0291667 | 2132 | 13911 |
| Unyon-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 42.3833333 | 129.5833333 | 1509 | 10905 |
| Unyŏn-dong | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 42.3833333 | 129.5833333 | 1509 | 10905 |
| Usajang | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.1833333 | 129.4 | 675 | 13629 |
| Usan | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.1433333 | 129.6741667 | 567 | 11142 |
| Usang | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.1433333 | 129.6741667 | 567 | 11142 |
| Ussoyo | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.3844444 | 129.5886111 | 75 | 13587 |
| Usujae | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 40.9244444 | 129.6044444 | 1669 | 13682 |
| Utch'ongdok | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.535 | 129.5244444 | 1040 | 13559 |
| Utch'ŏngdŏk | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.535 | 129.5244444 | 1040 | 13559 |
| Uto-do | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.1469444 | 129.7105556 | 32 | 6083 |
| Utō-dō | city | Hamgyong-bukto | Korea, Dem. Peoples Rep. of (North) | 41.1469444 | 129.7105556 | 32 | 6083 |