Wójtostwo, Folwark was formerly part of the German Empire. In the German Empire, the place was called Ludwigsruh.
The place is now called Wójtostwo (Gniewkowo-Wójtostwo) and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ludwigsruh | German Empire | Inowrazlaw | before the Versailles Treaty |
| Wójtostwo, Folwark | Poland | Inowrocław | after the Versailles Treaty |
| Ludwigsruh | German Empire | Hohensalza | 1939 |
| Wójtostwo (Gniewkowo-Wójtostwo) | Poland | Inowrocław | 1945 |
| Wójtostwo (Gniewkowo-Wójtostwo) | Poland | Bydgoszcz | 1992 |