The Galla Placidia mausoleum dating from the first half of the 5th century, after the 425, is located not far from the basilica of San Vitale. His identification with a funeral building and that of his client, the Empress Galla Placidia, are widely spread in the academic environment, but there is no certainty.
The dome is topped by a cross vault of stars descending size upwards, on a blue background, according to a model which lasted throughout the middle ages. The representation of the night sky continue seamlessly toward the four pendentives where is represented the tetramorph: symbols are in the text of Ezekiel and Revelation.
The mausoleum is placed, from 1996, the list of world heritage sites by UNESCO, within the serial site "early Christian monuments of Ravenna".