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