16 cities
| City | 2025 Pop. ↓ |
|---|---|
| Ulm | 122,636 |
| Unna | 66,734 |
| Uelzen | 34,996 |
| Unterschleissheim | 25,567 |
| UEbach-Palenberg | 25,544 |
| Uberlingen | 21,507 |
| Unterhaching | 20,852 |
| Uetersen | 17,921 |
| Uslar | 15,951 |
| Unterkrozingen | 15,908 |
| Uhingen | 14,031 |
| Usingen | 13,511 |
| Ubstadt-Weiher | 12,730 |
| Uberherrn | 12,071 |
| Ueckermuende | 11,003 |
| Unterfoehring | 10,500 |