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