Pempowo was formerly part of the German Empire. In the German Empire, the place was called Waldeneck (Kr. Gostingen).
The place is now called Pępowo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Pempowo | German Empire | Gostyn | before the Versailles Treaty |
| Pępowo | Poland | Gostyń | after the Versailles Treaty |
| Pempowo | German Empire | Gostingen | 1939 |
| Waldeneck | German Empire | Gostingen | 1939 |
| Waldeneck (Kr. Gostingen) | German Empire | Gostingen | 1939 |
| Pępowo | Poland | Gostyń | 1945 |
| Pępowo | Poland | Leszno | 1992 |