HAGIA SOPHIA THE CENTER OF GREEK ORTHODOX FAITH TROUGH THE AGES

 Agia Sophia in Constantinople remains the symbolic center of Greek Oxthodox faith even almost six centuries after its fall to the Ottoman Turks and its conversion to a mosque,  

From 537 to 1453 the "Great Church" as the Byzantines called it was the eastern heart of Christianity. The massive Church held a total of twenty-three thousand worshipers, and 525 priests, deacons and chanters that served its liturgies.