Mittensee was formerly part of the German Empire. In the German Empire, the place was called Kurzbachtal.
The place is now called Śródka and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Schrodke | German Empire | Birnbaum | before the Versailles Treaty |
| Szrodke | German Empire | Birnbaum | before the Versailles Treaty |
| Śródka | Poland | Międzychód | after the Versailles Treaty |
| Schrodke | German Empire | Birnbaum (Wartheland) | 1939 |
| Mittensee | German Empire | Birnbaum (Wartheland) | 1939 |
| Kurzbachtal | German Empire | Birnbaum (Wartheland) | 1939 |
| Śródka | Poland | Międzychód | 1945 |
| Śródka | Poland | Poznań | 1992 |