Ruddeken was formerly part of the German Empire. In the German Empire, the place was called Ruddecken.
The place is now called Rudakovo and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Ruddecken | German Empire | Tilsit-Ragnit | 1939 |
| Ruddeken | Under Soviet administration | Kaliningrad | 1945 |
| Rudakovo | Russian Federation | Neman | 1992 |