Aghiou Georgiou ( Saint George 's ) Church is located on the main street of the castle , Aghiou Georgiou street . There was initially a Byzantine church dating back to 10th or 11th century . It later became a Genoan church ( San Domenico ) . Giovanni Giustiniani was buried here . Piyale Pasha , an Ottoman admiral , converted the west part of the church into the Eski ( " Old " ) Mosque upon the Ottoman capture of the island in 1566 . The mosque was reconstructed after 1881 earthquake and became later on the contemporary church of Aghios Georgios
1881 earthquake
1881 Chios earthquake
Castle of Chios