Darnowiec was formerly part of the German Empire. In the German Empire, the place was called Dörnberg (Kr. Kempen, Wartheland).
The place is now called Darnowiec and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Dörnberg | German Empire | Namslau | before the Versailles Treaty |
| Darnowiec | Poland | Kępno | after the Versailles Treaty |
| Dörnberg | German Empire | Kempen (Wartheland) | 1939 |
| Dörnberg (Kr. Kempen, Wartheland) | German Empire | Kempen (Wartheland) | 1939 |
| Darnowiec | Poland | Kępno | 1945 |
| Darnowiec | Poland | Kalisz | 1992 |