Schilkowitz was formerly part of the German Empire. In the German Empire, the place was called Simonshöh.
The place is now called Siodłkowice and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Schilkowitz | German Empire | Wohlau | 1937 |
| Simonshöh | German Empire | Wohlau | 1939 |
| Siodłkowice | Under Polish administration | Wołów | 1945 |
| Siodłkowice | Poland | Wrocław | 1992 |