Karczyn, Dwór was formerly part of the German Empire. In the German Empire, the place was called NN.
The place is now called Karczyn * and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Karczyn, Gutsbezirk | German Empire | Inowrazlaw | before the Versailles Treaty |
| Karczyn, Dwór | Poland | Inowrocław | after the Versailles Treaty |
| NN | German Empire | Hohensalza | 1939 |
| Karczyn, Osada | Poland | Inowrocław | 1945 |
| Karczyn * | Poland | Bydgoszcz | 1992 |