Hagia Sophia has a significance for the culture of the historic city for its architecture, magnificence, size and function.
Haghia Sophia was built by the Byzantine Emperor Justinian I. By the time of AD 532 - 537 in the old city center on the historical peninsula of Istanbul. Hagia Sophia was the largest Byzantine church until the conquest of Istanbul in 1453. After the conquest the church was transformed into a mosque. It has later become a museum by Atatürk's order in 1934.