Pokrovskoe was formerly part of the German Empire. In the German Empire, the place was called Eichbaum.
The place is now called Pokrovskoe and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Krebschen | German Empire | Tilsit-Ragnit | 1938 |
| Eichbaum | German Empire | Tilsit-Ragnit | 1939 |
| Krebšen | Under Soviet administration | Kaliningrad | 1945 |
| Pokrovskoe | Russian Federation | Černjahovsk | 1992 |