Currently a museum that holds years of religious history.
The History of Hagia Sophia
Then for about 60 years, Hagia Sophia was a catholic place of worship. It was then converted back to an Orthodox Basilica. In the year 1453 a.d. Constantinople was converted to an Islam city by Sultan Mehmed. Hagia Sophia was then a mosque until 1931 a.d. Today Hagia Sophia is a museum in what today is known as Istanbul.