Solec was formerly part of the German Empire. In the German Empire, the place was called Silz (Kr. Wollstein).
The place is now called Solec and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Silz | German Empire | Bomst | before the Versailles Treaty |
| Solec | Poland | Wolsztyn | after the Versailles Treaty |
| Silz | German Empire | Wollstein | 1939 |
| Silz (Kr. Wollstein) | German Empire | Wollstein | 1939 |
| Solec | Poland | Wolsztyn | 1945 |
| Solec | Poland | Leszno | 1992 |