PAGASA, GULF OF

also called Gulf of Vlos, Modern Greek Pagasitiks Klpos, ancient Gulf of Pagasae gulf of the Aegean Sea, noms (department) of Magnisa, Thessaly, Greece. The gulf is almost landlocked by a fishhook prong of the Magnesia peninsula, which forms the Trkkeri Strait. At the head of the gulf is Vlos, the primary port of Thessaly. It lies on the site of ancient Iolcos and its port, Pagasae, from whence is derived the gulf 's present name. In Greek myth the king of Iolcos, Pelias, dispatched Jason from Pagasae in the ship Argo to search for the Golden Fleece.