Èlljušënen was formerly part of the German Empire. In the German Empire, the place was called Ellern (Ostpr.).
The place is now called Sadovoe and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Elluschönen | German Empire | Goldap | 1938 |
| Ellern (Ostpr.) | German Empire | Goldap | 1939 |
| Èlljušënen | Under Soviet administration | Kaliningrad | 1945 |
| Sadovoe | Russian Federation | Nesterov | 1992 |