Solarnia was formerly part of the German Empire. In the German Empire, the place was called Salzforst.
The place is now called Solarnia and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Solarnia | German Empire | Ratibor | 1936 |
| Salzforst | German Empire | Ratibor | 1939 |
| Solarnia | Under Polish administration | Racibórz | 1945 |
| Solarnia | Poland | Katowice | 1992 |