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