Książ was formerly part of the German Empire. In the German Empire, the place was called Wiesental.
The place is now called Książ and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Xionz | German Empire | Strelno | before the Versailles Treaty |
| Książ | Poland | Mogilno | after the Versailles Treaty |
| Wiesental | German Empire | Mogilno | 1939 |
| Książ | Poland | Mogilno | 1945 |
| Książ | Poland | Bydgoszcz | 1992 |