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