Christian basilica and church of Virgin Maria or Agia Anna, Archaeological Site of Aigosthena, Porto Germeno, Municipality of Mandra-Eidyllia Habitation continued into Early Christian times, as evidenced by the 5th century BC five-aisled basilica in the lower town of the fortress of Aigosthena. In the 11th century the chapel of Virgin Maria or Agia Anna was built over the ruins of the basilica of ancient building material.
Church of Agios Georgios, Archaeological Site of Aigosthena, Porto Germeno, Municipality of Mandra-Eidyllia During the Byzantine and post-Byzantine period, the area of the acropolis of the Fortress of Aigosthena hosted the Monastery of Agios Georgios, from which the ruins of monks are preserved, as well as the katholikon, dedicated to Agios Georgios.