Kocin was formerly part of the German Empire. In the German Empire, the place was called Kocin Stary.
The place is now called Kocin Stary and belongs to Poland.
| Historical place name | Country | Administration | Time |
|---|---|---|---|
| Kocin | Russian Empire | Čenstochov | 1914 |
| Kocin | Poland | Częstochowa | 1919 |
| Kocin Stary | German Empire | Blachownia/Blachstädt | 1939 |
| Kocin | Poland | Częstochowa | 1945 |
| Kocin Stary | Poland | Częstochowa | 1992 |