Krupa was formerly part of the German Empire. In the German Empire, the place was called Kruppa.
The place is now called Krupa and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Krupa | German Empire | Groß-Wartenberg | before the Versailles Treaty |
| Krupa | Poland | Ostrów Wielkopolski | after the Versailles Treaty |
| Kruppa | German Empire | Ostrowo | 1939 |
| Krupa | Poland | Ostrzeszów | 1945 |
| Krupa | Poland | Kalisz | 1992 |