Sobki was formerly part of the German Empire. In the German Empire, the place was called Sobki.
The place is now called Sobki and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Sobki | Russian Empire | Petrokov | 1914 |
| Sobki | Poland | Piotrków | 1921 |
| Sobki | German Empire | Lask | 1939 |
| Sobki | Poland | Łask | 1945 |
| Sobki | Poland | Piotrków | 1992 |