Zieleń was formerly part of the German Empire. In the German Empire, the place was called Zielen.
The place is now called Zieleń and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Zielin | German Empire | Mogilno | before the Versailles Treaty |
| Zieleń | Poland | Mogilno | after the Versailles Treaty |
| Zielen | German Empire | Mogilno | 1939 |
| Zieleń | Poland | Mogilno | 1945 |
| Zieleń | Poland | Bydgoszcz | 1992 |