Res Gestae
Ammianus Marcellinus
Ammianus Marcellinus. Ammianus Marcellinus, with an English translation, Vols. I-III. Rolfe, John C., translator. Cambridge, MA; London: Harvard University Press; W. Heinemann, 1935-1940 (printing).
Accordingly, having crossed the strait,[*](The Thracian Bosporus.) and passed by Chalcedon and Libyssa, where
v2.p.245
Hannibal the Carthaginian was buried, he came to Nicomedia, a city famed of old and so enlarged at the great expense of earlier emperors,[*](Especially Diocletian and Constantine the Great, whose favourite resort it was.) that because of the great number of its private and public buildings it was regarded by good judges as one of the regions, so to speak, of the Eternal City.[*](The reference is to the fourteen regions into which Rome was divided by Augustus. Nicomedia, in the opinion of good judges of such matters, was worthy to be considered a fifteenth region of Rome.)