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