Anónimo de Rávena
The site was originally referred to by Ptolemy in Ancient Greek as Πτερωτον Στρατοπεδον, which means "Winged Camp". This has been translated back into Latin as "Pinnata Castra" or sometimes "Alata Castra", and was referred to in the locative case as "Pinnatis" in the Ravenna Cosmography.