Poniatów was formerly part of the German Empire. In the German Empire, the place was called Seitendorf.
The place is now called Poniatów (Wałbrzych-Poniatów) and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Seitendorf | German Empire | Waldenburg (Schles.) | 1939 |
| Poniatów | Under Polish administration | Wałbrzych m. | 1945 |
| Poniatów (Wałbrzych-Poniatów) | Poland | Wałbrzych | 1992 |