Śleszów was formerly part of the German Empire. In the German Empire, the place was called Birkenhain.
The place is now called Śleszów and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Tscheschenheide | German Empire | Guhrau | 1937 |
| Birkenhain | German Empire | Guhrau | 1939 |
| Śleszów | Under Polish administration | Góra | 1945 |
| Śleszów | Poland | Leszno | 1992 |