Kartno was formerly part of the German Empire. In the German Empire, the place was called Kern.
The place is now called Kartno and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kern | German Empire | Grünberg i. Schles. | 1939 |
| Kartno | Under Polish administration | Sulechów | 1945 |
| Kartno | Poland | Zielona Góra | 1992 |