Kosakowo was formerly part of the German Empire. In the German Empire, the place was called Kämpenau.
The place is now called Kosakowo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kossakau | German Empire | Putzig | before the Versailles Treaty |
| Kosakowo | Poland | Puck | after the Versailles Treaty |
| Kämpenau | German Empire | Neustadt (Westpr.) | 1939 |
| Kosakowo | Poland | Puck | 1945 |
| Kosakowo | Poland | Gdańsk | 1992 |