Słocin was formerly part of the German Empire. In the German Empire, the place was called Vorwalden.
The place is now called Słocin and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Slocin | German Empire | Grätz | before the Versailles Treaty |
| Słocin | Poland | Nowy Tomyśl | after the Versailles Treaty |
| Vorwalden | German Empire | Grätz (Wartheland) | 1939 |
| Słocin | Poland | Nowy Tomyśl | 1945 |
| Słocin | Poland | Poznań | 1992 |