Pietraschen was formerly part of the German Empire. In the German Empire, the place was called Petersgrund (Ostpr.).
The place is now called Pietrasze and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Pietraschen | German Empire | Lyck | 1938 |
| Petersgrund (Ostpr.) | German Empire | Lyck | 1939 |
| Pietrasze | Under Polish administration | Ełk | 1945 |
| Pietrasze | Poland | Suwałki | 1992 |