Zarkau was formerly part of the German Empire. In the German Empire, the place was called Werften.
The place is now called Żarków (Głogów-Żarków) and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Zarkau | German Empire | Glogau | 1938 |
| Werften | German Empire | Glogau | 1939 |
| Żarków | Under Polish administration | Głogów | 1945 |
| Żarków (Głogów-Żarków) | Poland | Legnica | 1992 |