Jarużyn, Dwór was formerly part of the German Empire. In the German Empire, the place was called Ulmenhof.
The place is now called Jarużyn and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Jaruschin | German Empire | Schubin | before the Versailles Treaty |
| Jarużyn, Dwór | Poland | Szubin | after the Versailles Treaty |
| Ulmenhof | German Empire | Altburgund | 1939 |
| Jarużyn | Poland | Szubin | 1945 |
| Jarużyn | Poland | Bydgoszcz | 1992 |