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