Tomsdorf was formerly part of the German Empire. In the German Empire, the place was called Thomsdorf.
The place is now called Solnečnoe and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Thomsdorf | German Empire | Preußisch Eylau | 1939 |
| Tomsdorf | Under Soviet administration | Kaliningrad | 1945 |
| Solnečnoe | Russian Federation | Bagrationovsk | 1992 |