NN was formerly part of the German Empire. In the German Empire, the place was called Wolfsgrund, Fh..
The place is now called Vilkduobė and belongs to Lithuania.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Wolfsgrund | German Empire | Ragnit | before the Versailles Treaty |
| Vilkdaubis, gir. | Lithuania | Pajėgiai | after the Versailles Treaty |
| Wolfsgrund, Fh. | German Empire | Tilsit-Ragnit | 1939 |
| NN | Soviet Union | Jurbarkas | 1945 |
| Vilkduobė | Lithuania | Jurbarkas | 1992 |