Smolnik was formerly part of the German Empire. In the German Empire, the place was called Smolnik-Gogol.
The place is now called Smolnik and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Smolnik | Russian Empire | Ostrolenka | 1914 |
| Gogol, G. | Russian Empire | Ostrolenka | 1914 |
| Smolnik | Poland | Ostrołęka | 1919 |
| Gogol, G. | Poland | Ostrołęka | 1919 |
| Smolnik-Gogol | German Empire | Scharfenwiese | 1939 |
| NN | Poland | Ostrołęka | 1945 |
| Smolnik | Poland | Ostrołęka | 1992 |