Kobylnica was formerly part of the German Empire. In the German Empire, the place was called Roßgarten.
The place is now called Kobylnica and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kobelnitz | German Empire | Posen Ost | before the Versailles Treaty |
| Kobylnica | Poland | Poznań | after the Versailles Treaty |
| Kobelnitz | German Empire | Posen | 1939 |
| Roßgarten | German Empire | Posen | 1939 |
| Kobylnica | Poland | Poznań | 1945 |
| Kobylnica | Poland | Poznań | 1992 |