Caspian Sea, Asia (Google Maps ⧉, OpenStreetMap ⧉)

"The Caspian is here called the Sea of Sarain, probably for Sarai, after the great city on the Volga."

"Caspian Sea (Sea of Ghel or Ghelan), ancient error about, 2, 129; its numerous names, i. 52, 58n, 59n, ii. 494n"