Gross Kakšen was formerly part of the German Empire. In the German Empire, the place was called Birkenhain (Ostpr.).
The place is now called Sadovo and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Groß Kackschen | German Empire | Tilsit-Ragnit | 1936 |
| Birkenhain (Ostpr.) | German Empire | Tilsit-Ragnit | 1939 |
| Gross Kakšen | Under Soviet administration | Kaliningrad | 1945 |
| Sadovo | Russian Federation | Krasnoznamensk | 1992 |