Castillo Palace is located on a small rocky headland at the end of the coastal part of Petrovac. It consists of the ruins of the ancient Castillo Castle, which played an important role in the life of the city, and now it has become a prominent landmark that attracts large numbers of tourists every year, and next to it, there is a dispensary consisting of 4 buildings Small interconnected, built of local pink stone, its windows and doors are decorated with stones from the island of Korčula, and you can climb the stairs to this small Venetian palace for a wonderful view of the beach with turquoise waters and limestone cliffs.