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