Krosin was formerly part of the German Empire. In the German Empire, the place was called Groß Kroschin.
The place is now called Krosin and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Groß-Kroschin | German Empire | Obornik/Obernick | before the Versailles Treaty |
| Krosin | Poland | Czarnków | after the Versailles Treaty |
| Groß Kroschin | German Empire | Scharnikau (Wartheland) | 1939 |
| Krosin | Poland | Czarnków | 1945 |
| Krosin | Poland | Piła | 1992 |