ABA, Abas, Aboz, or Abus, in Ancient Geography, the name of a mountain in Greater Armenia, situated between the mountains Niphatos and Nibonis. According to Strabo, the Euphrates and Araxes rose from this mountain; the former running eastward, and the latter westward. It is in N. lat. 39\frac{1}{2}, and connects at its eastern extremity with Mount Ararat.