Friedrichsberg was formerly part of the German Empire. In the German Empire, the place was called Friedrichsberg.
The place is now called Wyrza and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Friedrichsberg | German Empire | Wirsitz | before the Versailles Treaty |
| Wyrza | Poland | Wyrzysk | after the Versailles Treaty |
| Friedrichsberg | German Empire | Wirsitz | 1939 |
| Wyrza | Poland | Wyrzysk | 1945 |
| Wyrza | Poland | Bydgoszcz | 1992 |