Mikoszki was formerly part of the German Empire. In the German Empire, the place was called Glimmen.
The place is now called Mikoszki and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Mikoszki | German Empire | Kosten | before the Versailles Treaty |
| Mikoszki | Poland | Kościan | after the Versailles Treaty |
| Glimmen | German Empire | Kosten (Wartheland) | 1939 |
| Mikoszki | Poland | Kościan | 1945 |
| Mikoszki | Poland | Leszno | 1992 |