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