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