| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Unter-Sankt-Veit | city | Wien | Austria | 48.18 | 16.28 | 830 | 312087 |
| Untere Scheibe | city | Wien | Austria | 48.13 | 16.40 | 830 | 180847 |
| Unterlaa | city | Wien | Austria | 48.13 | 16.42 | 830 | 172094 |
| Untermauerbach | city | Wien | Austria | 48.23 | 16.20 | 990 | 143775 |
| Untersievering | city | Wien | Austria | 48.25 | 16.32 | 830 | 236871 |