Vaitkaičiai was formerly part of the German Empire. In the German Empire, the place was called Woitkaten.
The place is now called Vaitkaičiai and belongs to Lithuania.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Woitkaten | German Empire | Heydekrug | before the Versailles Treaty |
| Vaitkaičiai | Lithuania | Šilutė | after the Versailles Treaty |
| Woitkaten | German Empire | Heydekrug | 1939 |
| Vaitkaičiai | Soviet Union | Pagėgiai/Pagegjaj | 1945 |
| Vajtkajčjaj | Soviet Union | Pagėgiai/Pagegjaj | 1945 |
| Vaitkaičiai | Lithuania | Šilutė | 1992 |