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