NN was formerly part of the German Empire. In the German Empire, the place was called Jungort.
The place is now called NN and belongs to Russian Federation.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kiaulkehmen | German Empire | Gumbinnen | 1935 |
| Jungort | German Empire | Gumbinnen | 1939 |
| Jungort | Under Soviet administration | Kaliningrad | 1945 |
| NN | Russian Federation | Gusev | 1992 |