Rozanno was formerly part of the German Empire. In the German Empire, the place was called Rosen (Kr. Mogilno).
The place is now called Różanna and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Rozanno | German Empire | Mogilno | before the Versailles Treaty |
| Różanna | Poland | Mogilno | after the Versailles Treaty |
| Rosen | German Empire | Mogilno | 1939 |
| Rosen (Kr. Mogilno) | German Empire | Mogilno | 1939 |
| Różanna | Poland | Mogilno | 1945 |
| Różanna | Poland | Konin | 1992 |