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