| Name | What | Region | Country | Lat | Long | Elev Ft. | Pop Est |
|---|
| Uba | city | Respublika Mariy-El | Russia | 56.2833333 | 48.6166667 | 301 | 1412 |
| Uchevkino | city | Respublika Mariy-El | Russia | 56.0666667 | 48.7833333 | 639 | 2624 |
| Ucheykino | city | Respublika Mariy-El | Russia | 56.0666667 | 48.7833333 | 639 | 2624 |
| Udel'nyy Pizhay | city | Respublika Mariy-El | Russia | 57.019444 | 49.3469444 | 459 | 1878 |
| Udyurma | city | Respublika Mariy-El | Russia | 56.8247222 | 47.0702778 | 390 | 378 |
| Upsha | city | Respublika Mariy-El | Russia | 56.87 | 47.7341667 | 459 | 1583 |
| Urgaksh | city | Respublika Mariy-El | Russia | 56.7491667 | 48.4263889 | 501 | 1943 |
| Urzhumka | city | Respublika Mariy-El | Russia | 56.1594444 | 47.4802778 | 206 | 1655 |
| Urzhumskiy | city | Respublika Mariy-El | Russia | 56.85 | 48.4833333 | 643 | 1925 |
| Ushnur | city | Respublika Mariy-El | Russia | 56.75 | 48.6666667 | 567 | 1943 |
| Ushnut | city | Respublika Mariy-El | Russia | 56.7733333 | 48.6508333 | 518 | 1940 |
| Usola | city | Respublika Mariy-El | Russia | 56.2333333 | 46.6 | 521 | 1442 |
| Usola | city | Respublika Mariy-El | Russia | 56.7211111 | 49.4680556 | 580 | 2413 |
|
|