Unisław was formerly part of the German Empire. In the German Empire, the place was called Unislau.
The place is now called Unisław and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Unislaw | German Empire | Koschmin | before the Versailles Treaty |
| Unisław | Poland | Krotoszyn | after the Versailles Treaty |
| Unislaw | German Empire | Krotoschin | 1939 |
| Unislau | German Empire | Krotoschin | 1939 |
| Unisław | Poland | Krotoszyn | 1945 |
| Unisław | Poland | Kalisz | 1992 |