Rosnowo was formerly part of the German Empire. In the German Empire, the place was called Rohrbeck.
The place is now called Rosnowo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Rohrbeck | German Empire | Königsberg Nm. | 1939 |
| Rosnowo (Chojeńskie) | Under Polish administration | Chojna | 1945 |
| Rosnowo | Poland | Szczecin | 1992 |