Sarnów was formerly part of the German Empire. In the German Empire, the place was called Sarnow.
The place is now called Sarnów and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Sarnów | Russian Empire | Bendin | 1914 |
| Sarnów | Poland | Będzin | 1919 |
| Sarnow | German Empire | Bendzin/Bendsburg | 1939 |
| Sarnów | Poland | Będzin | 1945 |
| Sarnów | Poland | Katowice | 1992 |