Sadkówek was formerly part of the German Empire. In the German Empire, the place was called Klein Schottgau.
The place is now called Sadkówek and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Klein Schottgau | German Empire | Breslau | 1939 |
| Sadkówek | Under Polish administration | Wrocław | 1945 |
| Sadkówek | Poland | Wrocław | 1992 |