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