- aufgelassen - was formerly part of the German Empire. In the German Empire, the place was called Flachdorf.
The place is now abandoned and the area belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Pötischken | German Empire | Tilsit-Ragnit | 1938 |
| Flachdorf | German Empire | Tilsit-Ragnit | 1939 |
| Pëtišken | Under Soviet administration | Kaliningrad | 1945 |
| - aufgelassen - | Russian Federation | Neman | 1992 |