Powarschen was formerly part of the German Empire. In the German Empire, the place was called Powarschen.
The place is now called Powiersze and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Powarschen | German Empire | Preußisch Eylau | 1939 |
| Powiersze | Under Polish administration | Górowo Iławeckie | 1945 |
| Powiersze | Poland | Olsztyn | 1992 |