Postelau was formerly part of the German Empire. In the German Empire, the place was called Postelau.
The place is now called Postołowo and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Postelau | German Empire | Dirschau | before the Versailles Treaty |
| Postelau | Free City of Danzig | Danziger Höhe | after the Versailles Treaty |
| Postelau | German Empire | Danzig | 1939 |
| Postołowo | Poland | Pruszcz Gdański | 1945 |
| Postołowo | Poland | Gdańsk | 1992 |