Jakob-Titzkus was formerly part of the German Empire. In the German Empire, the place was called Jakob-Titzkus.
The place is now called Vaiženčiai and belongs to Lithuania.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Jakob-Titzkus | German Empire | Tilsit | before the Versailles Treaty |
| Vaidženčiai | Lithuania | Pajėgiai | after the Versailles Treaty |
| Jakob-Titzkus | German Empire | Heydekrug | 1939 |
| Vaižančiai | Soviet Union | Pagėgiai/Pagegjaj | 1945 |
| Vajžančjaj | Soviet Union | Pagėgiai/Pagegjaj | 1945 |
| Vaiženčiai | Lithuania | Šilutė | 1992 |