NN was formerly part of the German Empire. In the German Empire, the place was called Spirgsten-Grünwalde.
The place is now called NN and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Spiergsten-Grünwalde | German Empire | Lötzen | 1938 |
| Spirgsten-Grünwalde | German Empire | Lötzen | 1939 |
| NN | Under Polish administration | Giżycko | 1945 |
| NN | Poland | Suwałki | 1992 |