Byzantine art refers to artistic styles that emerged in the Byzantine Empire. It is characterized by richly decorated religious icons, mosaics, and frescoes.
Mosaics are artworks made by arranging small colored pieces (usually glass or stone) into patterns or images. Byzantine mosaics often adorned the walls and ceilings of churches.
Hagia Sophia is a famous Byzantine church located in present-day Istanbul, Turkey. It is renowned for its massive dome and exquisite mosaic decorations.