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