Sławoszew was formerly part of the German Empire. In the German Empire, the place was called Neu Lawau.
The place is now called Sławoszew and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Slawoszew | German Empire | Jarotschin | before the Versailles Treaty |
| Sławoszew | Poland | Jarocin | after the Versailles Treaty |
| Neu Lawau | German Empire | Jarotschin | 1939 |
| Sławoszew | Poland | Jarocin | 1945 |
| Sławoszew | Poland | Kalisz | 1992 |