NN was formerly part of the German Empire. In the German Empire, the place was called Skarkiski.
The place is now called Skarkiszki and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Skarkiski | Russian Empire | Sejny | 1914 |
| Skarkiszki | Poland | Sejny | 1921 |
| Skarkiski | German Empire | Sudauen | 1939 |
| NN | Poland | Suwałki | 1945 |
| Skarkiszki | Poland | Suwałki | 1992 |