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