Stara Gradiška is a village and municipality situated in the Slavonia region of Croatia's Brod-Posavina County. It is geographically positioned on the left bank of the river Sava, directly across from the city of Gradiška in Bosnia and Herzegovina.
The location is primarily known for its historical significance regarding detention sites. It is recognized as the site of both the Stara Gradiška prison and the Stara Gradiška concentration camp.