Kostrovo was formerly part of the German Empire. In the German Empire, the place was called Bludau.
The place is now called Kostrovo and belongs to Russian Federation.
Historical place name | Country | Administration | Time |
---|---|---|---|
Bludau | German Empire | Samland | 1939 |
Bljudau | Under Soviet administration | Kaliningrad | 1945 |
Kostrovo | Russian Federation | Zelenogradsk | 1992 |