Ackmenischken, Ksp. Obehlischken was formerly part of the German Empire. In the German Empire, the place was called Sittenfelde.
The place is now called Udarnoe and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ackmenischken, Ksp. Obehlischken | German Empire | Insterburg | 1938 |
| Sittenfelde | German Empire | Insterburg | 1939 |
| Akmenišken | Under Soviet administration | Kaliningrad | 1945 |
| Udarnoe | Russian Federation | Černjahovsk | 1992 |