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