Riegel was formerly part of the German Empire. In the German Empire, the place was called Riegel.
The place is now called Zawadka and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Riegel | German Empire | Neumarkt | 1939 |
| Zawadka | Under Polish administration | Środa Śląska | 1945 |
| Zawadka | Poland | Wrocław | 1992 |