Jarnatowo was formerly part of the German Empire. In the German Empire, the place was called Arensdorf.
The place is now called Jarnatowo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Arensdorf | German Empire | Oststernberg | 1939 |
| Stanica | Under Polish administration | Sulęcin | 1945 |
| Jarnatowo | Poland | Gorzów | 1992 |