Prohladnoe 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 |