Šyšgiriai was formerly part of the German Empire. In the German Empire, the place was called Szießgirren.
The place is now called Šyšgiriai and belongs to Lithuania.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Schießgirren | German Empire | Heydekrug | before the Versailles Treaty |
| Szieszgirren | German Empire | Heydekrug | before the Versailles Treaty |
| Šyšgiriai | Lithuania | Šilutė | after the Versailles Treaty |
| Szießgirren | German Empire | Heydekrug | 1939 |
| Šišgiriai | Soviet Union | Šilutė/Šilute | 1945 |
| Šišgirjaj | Soviet Union | Šilutė/Šilute | 1945 |
| Šyšgiriai | Lithuania | Šilutė | 1992 |