Perkappen was formerly part of the German Empire. In the German Empire, the place was called Perkappen.
The place is now called Poltavskoe and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Perkappen | German Empire | Labiau | 1939 |
| Perkappen | Under Soviet administration | Kaliningrad | 1945 |
| Poltavskoe | Russian Federation | Gurˈevsk | 1992 |