Słonawy was formerly part of the German Empire. In the German Empire, the place was called Rotenstein (Kr. Obernick).
The place is now called Słonawy and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Slonawy | German Empire | Obornik/Obernick | before the Versailles Treaty |
| Słonawy | Poland | Oborniki | after the Versailles Treaty |
| Rotenstein | German Empire | Obernick | 1939 |
| Rotenstein (Kr. Obernick) | German Empire | Obernick | 1939 |
| Słonawy | Poland | Oborniki | 1945 |
| Słonawy | Poland | Poznań | 1992 |