Kallˈningken was formerly part of the German Empire. In the German Empire, the place was called Herdenau.
The place is now called Prohladnoe and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kallningken | German Empire | Elchniederung | 1938 |
| Herdenau | German Empire | Elchniederung | 1939 |
| Kallˈningken | Under Soviet administration | Kaliningrad | 1945 |
| Prohladnoe | Russian Federation | Slavsk | 1992 |