- aufgelassen - was formerly part of the German Empire. In the German Empire, the place was called Birkenhorst (Ostpr.).
The place is now abandoned and the area belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Patimbern | German Empire | Insterburg | 1935 |
| Birkenhorst (Ostpr.) | German Empire | Insterburg | 1939 |
| NN | Under Soviet administration | Kaliningrad | 1945 |
| - aufgelassen - | Russian Federation | Slavsk | 1992 |