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