Wierzbnik was formerly part of the German Empire. In the German Empire, the place was called Herzogswalde.
The place is now called Wierzbnik and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Herzogswalde | German Empire | Grottkau | 1939 |
| Wierzbnik | Under Polish administration | Grodków | 1945 |
| Wierzbnik | Poland | Opole | 1992 |