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