Izgrađen je na uzvišenju iznad lijeve obale rijeke Une. Na današnjem lokalitetu starog grada Ostrožca postojala je gradina iz starijeg željeznog doba, koje su podizane na uzvisinama i služile kao pribježišta ili stražarska mjesta. Srednjovjekovna tvrđava spominje se krajem 13. vijeka. U drugoj polovini 16. vijeka tvrđavu osvajaju Osmanlije, da bi u 17. vijeku postala sjedište Ostrožačke kapetanije…
It was built on a moundabove the left bank of Una. In the current location of the old town of Ostrožac there was a hill fort from the Early Iron Age, which was a type of object built on mounds and used as refuges or guard stations. The fort from the Middle Ages is mentioned at the end of the 13th century. In the second half of the 16th century the fort was conquered by the Ottomans and it became the headquarters of the Ostrožac captaincy…