the fort of são joão do arade, sometimes referred to as the castle of arade, is a medieval fortification situated in the civil

algarve ancient arad arade archaeological architecture atlantic beach blue building castle cliff coast defence defend destination excavated ferragudo fort fortification fortress gulf heritage historic historical history joapound lagoa landmark limestone medieval muharraq municipality ocean old portimao portugal portuguese preserved protection remains restored rock ruin sand sapound sea site stone the tourism tower travel wall water