Maruny was formerly part of the German Empire. In the German Empire, the place was called Maraunen, Groß.
The place is now called Maruny and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Maraunen, Groß | German Empire | Allenstein | 1939 |
| Maruny | Under Polish administration | Olsztyn | 1945 |
| Maruny | Poland | Olsztyn | 1992 |