Olszewice, Dwór was formerly part of the German Empire. In the German Empire, the place was called Ellerbusch.
The place is now called Olszewice and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Olschewitz | German Empire | Inowrazlaw | before the Versailles Treaty |
| Olszewice, Dwór | Poland | Inowrocław | after the Versailles Treaty |
| Ellerbusch | German Empire | Hohensalza | 1939 |
| Olszewice | Poland | Inowrocław | 1945 |
| Olszewice | Poland | Bydgoszcz | 1992 |