Iolkos

Coordinates:42° 11' 3.00" N, 41° 38' 10.00" E <googlemap version="0.9" lat="38.366667" lon="20,716667" zoom="4" width=700 scrollwheel=zoom>

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</googlemap> According to ancient Greek mythology, Aeson was the rightful king of Iolkos, but his half-brother Pelias usurped the throne. It was Pelias who sent Aeson's son Jason and the Argonauts to look for the Golden Fleece.

A history of Iolkos can be found here http://www.historyfiles.co.uk/KingListsEurope/GreeceIolkos.htm It is referenced in the following articles

Jason and the Argonauts