Brzoza was formerly part of the German Empire. In the German Empire, the place was called Birkenstein.
The place is now called Brzoza and belongs to Poland.
Historical place name | Country | Administration | Time |
---|---|---|---|
Brzoza | German Empire | Krotoschin | before the Versailles Treaty |
Brzoza | Poland | Krotoszyn | after the Versailles Treaty |
Birkenstein | German Empire | Krotoschin | 1939 |
Brzoza | Poland | Krotoszyn | 1945 |
Brzoza | Poland | Kalisz | 1992 |