Alˈt Lappënen was formerly part of the German Empire. In the German Empire, the place was called Alt Lappönen.
The place is now called Dačnoe and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Alt Lappönen | German Empire | Insterburg | 1939 |
| Alˈt Lappënen | Under Soviet administration | Kaliningrad | 1945 |
| Dačnoe | Russian Federation | Černjahovsk | 1992 |