At this period the state of the Byzantine Empire was such as to render its powers of resistance insignificant; indeed the length of time during which it held out against the Turks is to be attributed rather to the lack of efficacious means at the disposal of its assailants than to any qualities possessed by its defenders.
Reconquered by Belisarius in 534, Africa formed, under the name of praefectura Africae, one of the great administrative districts of the Byzantine empire.
Under the Byzantine empire Chersonesus was an administrative centre for its possessions in Taurida.
The inhabitants of the Cape Bon Peninsula show evident signs of Greek blood arising from Greek invasions, which began in prehistoric times and finished with the downfall of the Byzantine Empire in North Africa.
Isaac's great aim was to restore the former strict organization of the government, and his reforms, though unpopular with the aristocracy and the clergy, and not understood by the people, certainly contributed to stave off for a while the final ruin of the Byzantine empire.