Trumpajten was formerly part of the German Empire. In the German Empire, the place was called Trumpenau.
The place is now called Jasnoe * and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Trumpeiten | German Empire | Elchniederung | 1938 |
| Trumpenau | German Empire | Elchniederung | 1939 |
| Trumpajten | Under Soviet administration | Kaliningrad | 1945 |
| Jasnoe * | Russian Federation | Slavsk | 1992 |