NN was formerly part of the German Empire. In the German Empire, the place was called Bittehnen.
The place is now called NN and belongs to Lithuania.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| NN (Bittehnen) | German Empire | Ragnit | before the Versailles Treaty |
| NN | Lithuania | Pajėgiai | after the Versailles Treaty |
| Bittehnen | German Empire | Tilsit-Ragnit | 1939 |
| NN | Soviet Union | Pagėgiai/Pagegjaj | 1945 |
| NN | Lithuania | Šilutė | 1992 |