Which structure contains the portraits of Justinian and Theodora?

The portraits of Justinian and Theodora are prominently displayed in the Basilica of San Vitale in Ravenna, Italy. These mosaics, created in the 6th century, depict the Byzantine Emperor Justinian I and his wife, Empress Theodora, surrounded by courtiers and religious figures. The artwork serves as a significant representation of their roles in the Byzantine Empire and the Church.