Daupelˈken was formerly part of the German Empire. In the German Empire, the place was called Seitenbach (Ostpr.).
The place is now called NN and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Daupelken | German Empire | Insterburg | 1938 |
| Seitenbach (Ostpr.) | German Empire | Insterburg | 1939 |
| Daupelˈken | Under Soviet administration | Kaliningrad | 1945 |
| NN | Russian Federation | Černjahovsk | 1992 |