Sieraków was formerly part of the German Empire. In the German Empire, the place was called Zirke.
The place is now called Sieraków and belongs to Poland.
Historical place name | Country | Administration | Time |
---|---|---|---|
Zirke | German Empire | Birnbaum | before the Versailles Treaty |
Sieraków | Poland | Międzychód | after the Versailles Treaty |
Zirke | German Empire | Birnbaum (Wartheland) | 1939 |
Sieraków | Poland | Międzychód | 1945 |
Sieraków | Poland | Poznań | 1992 |