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