, Ptol. 6.2.4
. 6.5.1, 6.9. § § 3, 4), the eastern part of the great chain of mountains which extends along the southern shore of the Caspian Sea, and of which Orontes, M. Jasonium, and M. Coronus were the principal peaks. Coronus is the most eastern of the three, and was on the borders of Hyrcania and Parthia.
It is probably represented now by the mountains between Damghan