Bilawen was formerly part of the German Empire. In the German Empire, the place was called Bismarckseich.
The place is now called Bielawy and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Bilawen | German Empire | Militsch | 1937 |
| Bismarckseich | German Empire | Militsch | 1939 |
| Bielawy | Under Polish administration | Milicz | 1945 |
| Bielawy | Poland | Leszno | 1992 |