Byzantine Empire

The Byzantine Empire (or Byzantium) was the predominantly Greek-speaking Eastern Roman Empire throughout Late Antiquity and the Middle Ages. Known simply as the Roman Empire (Greek: Βασιλεία Ῥωμαίων, Basileia Rhōmaiōn) or Romania (Ῥωμανία, Rhōmanía) by its contemporaries, the empire was centered on the capital of Constantinople and was ruled by emperors in direct succession to the ancient Roman Emperors after the collapse of the Western Roman Empire.&nbsp

in Assassin's Creed: Revelations, the remnants of the Byzantine Empire is headed by Manuel Palaeologos, who is suspected to be a Templar.