NN was formerly part of the German Empire. In the German Empire, the place was called Sandenwalde.
The place is now called NN and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Alt Eszergallen | German Empire | Angerapp | 1914 |
| Alt Eschergallen | German Empire | Angerapp | 1936 |
| Sandenwalde | German Empire | Angerapp | 1939 |
| NN | Under Soviet administration | Kaliningrad | 1945 |
| NN | Poland | Suwałki | 1992 |