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