| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Unda | city | Zabaykal'skiy Kray | Russia | 51.71 | 116.92 | 1998 | 149 |
| Unda | city | Zabaykal'skiy Kray | Russia | 51.40 | 117.68 | 2509 | 294 |
| Under-Gube | city | Buryatiya | Russia | 52.33 | 100.00 | 5085 | 0 |
| Under-Khuan | city | Irkutskaya Oblast' | Russia | 53.47 | 103.21 | 1669 | 745 |
| Undino-Posel'ye | city | Zabaykal'skiy Kray | Russia | 51.42 | 116.24 | 1774 | 257 |
| Undino-Poselje | city | Zabaykal'skiy Kray | Russia | 51.42 | 116.24 | 1774 | 257 |
| Undino-Posel’ye | city | Zabaykal'skiy Kray | Russia | 51.42 | 116.24 | 1774 | 257 |
| Undinskiye-Kavykuchi | city | Zabaykal'skiy Kray | Russia | 51.44 | 117.70 | 2509 | 298 |
| Undinskoye Posel'ye | city | Zabaykal'skiy Kray | Russia | 51.42 | 116.24 | 1774 | 257 |
| Undinskoye Posel’ye | city | Zabaykal'skiy Kray | Russia | 51.42 | 116.24 | 1774 | 257 |
| Undol | city | Vladimirskaya Oblast' | Russia | 56.02 | 39.99 | 357 | 11350 |
| Undol'shchino | city | Saratovskaya Oblast' | Russia | 52.12 | 43.48 | 830 | 976 |
| Undol’shchino | city | Saratovskaya Oblast' | Russia | 52.12 | 43.48 | 830 | 976 |
| Undorovskiy Detskiy Sanatioriy | city | Ul'yanovskaya Oblast' | Russia | 54.50 | 48.40 | 173 | 118 |
| Undory | city | Ul'yanovskaya Oblast' | Russia | 54.61 | 48.39 | 830 | 414 |
| Undovo | city | Leningradskaya Oblast' | Russia | 59.64 | 28.75 | 101 | 149 |
| Undozerskij Pogost | city | Vologodskaya Oblast' | Russia | 60.61 | 36.36 | 830 | 149 |
| Undozërskiy | city | Arkhangel'skaya Oblast' | Russia | 62.62 | 38.85 | 387 | 149 |
| Undozërskiy Pogost | city | Vologodskaya Oblast' | Russia | 60.61 | 36.36 | 830 | 149 |
| Undrik | city | Irkutskaya Oblast' | Russia | 54.28 | 100.08 | 1925 | 0 |
| Unduksa | city | Kareliya | Russia | 65.67 | 34.15 | 180 | 0 |
| Undur | city | Buryatiya | Russia | 51.70 | 100.85 | 5029 | 148 |
| Undur-Mayla | city | Buryatiya | Russia | 52.37 | 109.73 | 2526 | 149 |
| Undurga | city | Zabaykal'skiy Kray | Russia | 51.54 | 114.35 | 2089 | 298 |
| Undyrik | city | Irkutskaya Oblast' | Russia | 54.28 | 100.08 | 1925 | 0 |