Sichówek was formerly part of the German Empire. In the German Empire, the place was called Arnoldshof.
The place is now called Sichówek and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Arnoldshof | German Empire | Jauer | 1939 |
| Sichówek | Under Polish administration | Jawor | 1945 |
| Sichówek | Poland | Legnica | 1992 |