Hyrcania or Verkâna was a satrapy located in the territories of the present day Gilan, Mazandaran and Golestan provinces of Iran and part of Turkmenistan, lands south of the Caspian Sea. To the Greeks, the Caspian Sea was the "Hyrcanian Sea".

Hyrcania or Verkâna was a satrapy located in the territories of the present day Gilan, Mazandaran and Golestan provinces of Iran and part of Turkmenistan, lands south of the Caspian Sea. To the Greeks, the Caspian Sea was the "Hyrcanian Sea".