Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Early Christian Monuments of Ravenna' has mentioned 'Byzantium' in the following places:
Occurrence Sentence Text Source
These monuments are testimonies of the role that Ravenna played, first as capital of the Western Roman Empire, later as residence of the Ostrogoths of Theodoric and his successors, and lastly as the capital of the Byzantium Exarchate in Italy.