Mielesznica was formerly part of the German Empire. In the German Empire, the place was called Melschnitz.
The place is now called Mielesznica and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Melschnitz | German Empire | Weststernberg | 1939 |
| Mielesznica | Under Polish administration | Rzepin | 1945 |
| Mielesznica | Poland | Zielona Góra | 1992 |