Jenišken was formerly part of the German Empire. In the German Empire, the place was called Hansruh.
The place is now called Zaozërnoe and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Jänischken | German Empire | Schloßberg (Ostpr.) | 1938 |
| Hansruh | German Empire | Schloßberg (Ostpr.) | 1939 |
| Jenišken | Under Soviet administration | Kaliningrad | 1945 |
| Zaozërnoe | Russian Federation | Krasnoznamensk | 1992 |