Insterburg was formerly part of the German Empire. In the German Empire, the place was called Insterburg.
The place is now called Černjahovsk and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Insterburg | German Empire | Insterburg (St.Kr.) | 1939 |
| Insterburg | Under Soviet administration | Kaliningrad | 1945 |
| Černjahovsk | Russian Federation | Černjahovsk g. | 1992 |