| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Un't | city | Bulgan | Mongolia | 49.13 | 102.82 | 4317 | 0 |
| Unchzhul Somon | city | Tov | Mongolia | 46.78 | 105.57 | 5029 | 149 |
| Unchzhul-Sumu | city | Tov | Mongolia | 46.78 | 105.57 | 5029 | 149 |
| Under | city | Dornod | Mongolia | 47.82 | 115.07 | 2509 | 0 |
| Under-Khan | city | Hentiy | Mongolia | 47.32 | 110.66 | 3418 | 2053 |
| Under-Onts | city | Ovorhangay | Mongolia | 45.85 | 103.18 | 5029 | 149 |
| Under-Shil | city | Dundgovi | Mongolia | 45.25 | 108.28 | 4189 | 0 |
| Underchanas | city | Hentiy | Mongolia | 47.32 | 110.66 | 3418 | 2053 |
| Undoru han | city | Hentiy | Mongolia | 47.32 | 110.66 | 3418 | 2053 |
| Undur Chanas | city | Hentiy | Mongolia | 47.32 | 110.66 | 3418 | 2053 |
| Undur Khan | city | Hentiy | Mongolia | 47.32 | 110.66 | 3418 | 2053 |
| Undur Khan Somon | city | Tov | Mongolia | 47.42 | 104.82 | 4189 | 149 |
| Undur Khurmein Sume | city | Omnogovi | Mongolia | 43.31 | 104.08 | 5967 | 0 |
| Undur Mandaroyn Khid | city | Suhbaatar | Mongolia | 47.15 | 112.40 | 4189 | 0 |
| Undur Maydaroyn Khid | city | Suhbaatar | Mongolia | 47.15 | 112.40 | 4189 | 0 |
| Undur Shile | city | Dundgovi | Mongolia | 45.25 | 108.28 | 4189 | 0 |
| Undur Sume | city | Hovsgol | Mongolia | 50.47 | 100.93 | 4222 | 149 |
| Undur Untsa Somon | city | Ovorhangay | Mongolia | 45.85 | 103.18 | 5029 | 149 |
| Undur hurme'iin sumu | city | Omnogovi | Mongolia | 43.31 | 104.08 | 5967 | 0 |
| Undur maydar'iin hiid | city | Suhbaatar | Mongolia | 47.15 | 112.40 | 4189 | 0 |
| Undur maydaryyn khid | city | Suhbaatar | Mongolia | 47.15 | 112.40 | 4189 | 0 |
| Undur shili sumu | city | Dundgovi | Mongolia | 45.25 | 108.28 | 4189 | 0 |
| Undur ulaan sumu | city | Arhangay | Mongolia | 48.05 | 100.51 | 6709 | 149 |
| Undur-Maydaryn-Khid | city | Suhbaatar | Mongolia | 47.15 | 112.40 | 4189 | 0 |
| Undur-Ontsa-Somon | city | Ovorhangay | Mongolia | 45.85 | 103.18 | 5029 | 149 |
| Undur-Shili | city | Dundgovi | Mongolia | 45.25 | 108.28 | 4189 | 0 |
| Undur-Shili Somon | city | Dundgovi | Mongolia | 45.25 | 108.28 | 4189 | 0 |
| Undur-Ulan | city | Arhangay | Mongolia | 48.05 | 100.51 | 6709 | 149 |
| Undur-Untsa | city | Ovorhangay | Mongolia | 45.85 | 103.18 | 5029 | 149 |
| Undur-gegenyy Khid | city | Selenge | Mongolia | 49.50 | 105.10 | 3697 | 149 |
| Undur-mandaryyn-khid | city | Suhbaatar | Mongolia | 47.15 | 112.40 | 4189 | 0 |
| Undur-ulan somon | city | Arhangay | Mongolia | 48.05 | 100.51 | 6709 | 149 |
| Undur-unts somon | city | Ovorhangay | Mongolia | 45.85 | 103.18 | 5029 | 149 |
| Undurhan | city | Hentiy | Mongolia | 47.32 | 110.66 | 3418 | 2053 |
| Undurkhaan | city | Hentiy | Mongolia | 47.32 | 110.66 | 3418 | 2053 |
| Undurugegenyy khid | city | Selenge | Mongolia | 49.50 | 105.10 | 3697 | 149 |
| Undzen-Us | city | Govi-Altay | Mongolia | 46.05 | 97.85 | 5869 | 0 |
| Undzhul | city | Tov | Mongolia | 46.78 | 105.57 | 5029 | 149 |
| Uneseteyn-Hiyd | city | Dundgovi | Mongolia | 45.73 | 105.18 | 4393 | 0 |
| Unisutuin Khid | city | Dundgovi | Mongolia | 45.73 | 105.18 | 4393 | 0 |
| Unjin Usanii Jisa | city | Govi-Altay | Mongolia | 46.05 | 97.85 | 5869 | 0 |
| Unuste | city | Dundgovi | Mongolia | 45.73 | 105.18 | 4393 | 0 |
| Unĭt | city | Bulgan | Mongolia | 49.13 | 102.82 | 4317 | 0 |
| Un’t | city | Bulgan | Mongolia | 49.13 | 102.82 | 4317 | 0 |