Karpno was formerly part of the German Empire. In the German Empire, the place was called Karpen.
The place is now called Klaklewo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Karpno | German Empire | Schlochau | before the Versailles Treaty |
| Karpno | Poland | Chojnice | after the Versailles Treaty |
| Karpen | German Empire | Konitz | 1939 |
| Karpno | Poland | Chojnice | 1945 |
| NN | Poland | Chojnice | 1945 |
| Karpno | Poland | Słupsk | 1992 |
| Klaklewo | Poland | Słupsk | 1992 |