Zalesie b. Bartschin was formerly part of the German Empire. In the German Empire, the place was called Ullmannshorst.
The place is now called Zalesie and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Zalesie b. Bartschin | German Empire | Schubin | before the Versailles Treaty |
| Zalesie | Poland | Szubin | after the Versailles Treaty |
| Ullmannshorst | German Empire | Altburgund | 1939 |
| Zalesie | Poland | Szubin | 1945 |
| Zalesie | Poland | Bydgoszcz | 1992 |