Hagia Sophia Research Hub
A curated entry point into the history, architecture, and art of Hagia Sophia. Each theme collects our most detailed, source-checked pages so students and researchers can go deep.
Architecture & Engineering
How Anthemius of Tralles and Isidore of Miletus raised a 31-metre dome in the 6th century, and the pendentives that made it possible.
Byzantine Art & Mosaics
The gold-ground mosaics, the Deësis, the imperial portraits, and how iconography shifted across centuries of Christian and Islamic use.
History & Politics
From Constantius II's first church to Justinian's rebuild, the 1453 conquest, the 1935 museum era, and the 2020 re-designation.
Ottoman & Islamic Period
The minarets, the sultan's lodge, the calligraphic roundels, and the imperial tombs added after 1453.
Recent discoveries & long reads
Investigative and long-form pieces on restoration, hidden chambers, and the building's living history:
Explore Every Corner
The Earlier Churches
More long reads: In the depths of Hagia Sophia, Hagia Sophia in Dan Brown's Inferno, and visiting the Grand Mosque.