Hagia Sophia Museum

Originally a Byzantine cathedral, later an Ottoman mosque, and now a museum, Hagia Sophia is a must-visit destination in Istanbul.

One of the most iconic historical sites in Istanbul, blending Christian and Islamic architecture. Hagia Sophia (Ayasofya), located in Istanbul, is a historic masterpiece built by Byzantine Emperor Justinian I between 532–537. Originally a cathedral, it was converted into a mosque in 1453 by Mehmed the Conqueror. Known for its massive dome and Byzantine architecture, it now serves as a functioning mosque.

Hagia Sophia (Ayasofya-i Kebir Cami-i Şerifi):

• Location: Sultanahmet, Fatih, Istanbul.
• Significance: Considered the pinnacle of Byzantine architecture and a major center of religious and historical attraction.
• History: Built in 537 as a basilica, converted to a mosque in 1453, a museum in 1935, and returned to a mosque in 2020.
• Architecture: Famous for its innovative pendentive dome, intricate mosaics, and later additions of Ottoman minarets and calligraphy.
• Visitor Access: It serves as a mosque, and in 2024, a visitor management plan was introduced, allowing tourists access to the upper gallery to view the mosaics.