Unrutz was formerly part of the German Empire. In the German Empire, the place was called Unerázka.
The place is now called Unerázka and belongs to Czechoslovakia.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Unrutz | Austro-Hungary | Mährisch-Trübau | before the Treaty of Saint-Germain |
| Umirázka | Austro-Hungary | Mährisch-Trübau | before the Treaty of Saint-Germain |
| Unerázka | Czechoslovakia | Moravská Třebová | after the Treaty of Saint-Germain |
| Unrutz | German Empire | Boskowitz | 1939 |
| Unerázka | German Empire | Boskowitz | 1939 |
| Unerázka | Czechoslovakia | Moravská Třebová | 1945 |
| Unerázka | Czechoslovakia | Východní Čechy | 1992 |