Piasutno * was formerly part of the German Empire. In the German Empire, the place was called Seenwalde *.
The place is now called Piasutno * and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Bergfelde | German Empire | Ortelsburg | 1914 |
| Seenwalde * | German Empire | Ortelsburg | 1939 |
| Piasutno * | Under Polish administration | Szczytno | 1945 |
| Piasutno * | Poland | Olsztyn | 1992 |