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