Peisern was formerly part of the German Empire. In the German Empire, the place was called Peisern.
The place is now called Pyzdry and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Pyzdry | Russian Empire | Slupcy | 1914 |
| Pyzdry | Poland | Konin | 1921 |
| Peisern | German Empire | Konin | 1939 |
| Pyzdry | Poland | Września | 1945 |
| Pyzdry | Poland | Konin | 1992 |