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