Èjdtkunen was formerly part of the German Empire. In the German Empire, the place was called Eydtkau.
The place is now called Černyševskoe and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Eydtkuhnen | German Empire | Ebenrode | 1938 |
| Eydtkau | German Empire | Ebenrode | 1939 |
| Èjdtkunen | Under Soviet administration | Kaliningrad | 1945 |
| Černyševskoe | Russian Federation | Nesterov | 1992 |