Note 3241 — BOOK V. AN ACCOUNT OF COUNTRIES, NATIONS, SEAS, TOWNS, HAVENS, MOUNTAINS, RIVERS, DISTANCES, AND PEOPLES WHO NOW EXIST OR FORMERLY EXISTED.
John Bostock translation
Now Arzilla, in the territory of Fez. Ptolemy places it at the mouth of the river Zileia. It is also mentioned by Strabo and Antoninus.