Zauskeppen was formerly part of the German Empire. In the German Empire, the place was called Sausen.
The place is now called Kozlovka and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Sauskeppen | German Empire | Insterburg | 1938 |
| Sausen | German Empire | Insterburg | 1939 |
| Zauskeppen | Under Soviet administration | Kaliningrad | 1945 |
| Kozlovka | Russian Federation | Černjahovsk | 1992 |