In less than three years, he conquered the fortresses of Knin, Skradin and Ostrovica.
Ostrovica, Croatia, village in Croatia, near Benkovac, in Lišane Ostrovičke municipality
Among the historical treasures of the region are the Roman fort Milančeva Kula, Rmanj Monastery, many medieval fortresses like Oštrovica medieval fortress above Kulen Vakuf and the Ostrožac Castle, to name just a few.