NN was formerly part of the German Empire. In the German Empire, the place was called Bergdorf (Ostpr.).
The place is now called NN and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ickschen | German Empire | Tilsit-Ragnit | 1938 |
| Bergdorf (Ostpr.) | German Empire | Tilsit-Ragnit | 1939 |
| Ikšen | Under Soviet administration | Kaliningrad | 1945 |
| NN | Russian Federation | Neman | 1992 |