Ruguliai was formerly part of the German Empire. In the German Empire, the place was called Neu Rugeln.
The place is now called Rūgaliai and belongs to Lithuania.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Neu-Rugeln | German Empire | Heydekrug | before the Versailles Treaty |
| Naujy Rūguliai | Lithuania | Šilutė | after the Versailles Treaty |
| Neu Rugeln | German Empire | Heydekrug | 1939 |
| Ruguliai | Soviet Union | Šilutė/Šilute | 1945 |
| Ruguljaj | Soviet Union | Šilutė/Šilute | 1945 |
| Rūgaliai | Lithuania | Šilutė | 1992 |