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