Krupczyn was formerly part of the German Empire. In the German Empire, the place was called Ober Alvensleben.
The place is now called Krupczyn and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ober Alvensleben | German Empire | Landsberg (Warthe) | 1939 |
| Krupczyn | Under Polish administration | Gorzów Wielkopolski | 1945 |
| Krupczyn | Poland | Gorzów | 1992 |