Proszówek was formerly part of the German Empire. In the German Empire, the place was called Friedrichsdorf.
The place is now called Proszówek and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Friedrichsdorf | German Empire | Glogau | 1939 |
| Proszówek | Under Polish administration | Głogów | 1945 |
| Proszówek | Poland | Legnica | 1992 |