Mikorzyn was formerly part of the German Empire. In the German Empire, the place was called Gabelsbach.
The place is now called Mikorzyn and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Mikorzyn | German Empire | Kempen i. Posen | before the Versailles Treaty |
| Mikorzyn | Poland | Kępno | after the Versailles Treaty |
| Mikorzyn | German Empire | Kempen (Wartheland) | 1939 |
| Gabelsbach | German Empire | Kempen (Wartheland) | 1939 |
| Mikorzyn | Poland | Kępno | 1945 |
| Mikorzyn | Poland | Kalisz | 1992 |