Didljaken was formerly part of the German Empire. In the German Empire, the place was called Dittlacken.
The place is now called Telˈmanovo and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Didlacken | German Empire | Insterburg | 1938 |
| Dittlacken | German Empire | Insterburg | 1939 |
| Didljaken | Under Soviet administration | Kaliningrad | 1945 |
| Telˈmanovo | Russian Federation | Černjahovsk | 1992 |