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