Smolnik was formerly part of the German Empire. In the German Empire, the place was called Frei Proskau, Kol..
The place is now called Kolonia Ligota Prószkowska and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Smolnik | German Empire | Oppeln | 1936 |
| Frei Proskau, Kol. | German Empire | Oppeln | 1939 |
| Smolnik | Under Polish administration | Opole | 1945 |
| Kolonia Ligota Prószkowska | Poland | Opole | 1992 |