Wessolowen was formerly part of the German Empire. In the German Empire, the place was called Wesselhof.
The place is now called Wesołowo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Wessolowen | German Empire | Sensburg | 1929 |
| Wesselhof | German Empire | Sensburg | 1939 |
| Wesołowo | Under Polish administration | Mrągowo | 1945 |
| Wesołowo | Poland | Suwałki | 1992 |