Klein Warthe was formerly part of the German Empire. In the German Empire, the place was called Klein Warthe.
The place is now called Bardno and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Klein Warthe | German Empire | Neisse | 1939 |
| Bardno | Under Polish administration | Nysa | 1945 |
| Bardno | Poland | Opole | 1992 |