Wężyska was formerly part of the German Empire. In the German Empire, the place was called Merzwiese.
The place is now called Wężyska and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Merzwiese | German Empire | Crossen (Oder) | 1939 |
| Wężyska | Under Polish administration | Krosno Odrzańskie | 1945 |
| Wężyska | Poland | Zielona Góra | 1992 |