Note 2089 — BOOK IV. AN ACCOUNT OF COUNTRIES, NATIONS, SEAS, TOWNS, HAVENS, MOUNTAINS, RIVERS, DISTANCES, AND PEOPLES WHO NOW EXIST OR FORMERLY EXISTED.
John Bostock translation
From Ἀ “not,” and ὄρνις “a bird.” Its site is now unknown. There were many places of this name. Avernus or Aornos in Campania has been previously mentioned.