What kind of art is in Hagia Sophia?

Hagia Sophia features a rich array of art, primarily showcasing Byzantine mosaics that depict religious figures, including Christ, the Virgin Mary, and various saints. These mosaics are renowned for their intricate detail and use of gold leaf, highlighting the spiritual significance of the space. The building also contains Islamic calligraphy and geometric patterns added during its time as a mosque, blending Christian and Islamic artistic traditions. Overall, Hagia Sophia embodies a unique fusion of both Byzantine and Ottoman artistic styles.