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