Iolcus is an ancient city, a modern village and a former municipality in Magnesia, Thessaly, Greece. Since the 2011 local government reform it is part of Volos, of which it is a municipal unit. It is located in central Magnesia, north of the Pagasitic Gulf. Its land area is 1.981 km². The municipal unit is divided into three communities, Agios Onoufrios, An…Iolcus is an ancient city, a modern village and a former municipality in Magnesia, Thessaly, Greece. Since the 2011 local government reform it is part of Volos, of which it is a municipal unit. It is located in central Magnesia, north of the Pagasitic Gulf. Its land area is 1.981 km². The municipal unit is divided into three communities, Agios Onoufrios, Anakasia and Ano Volos, with a total population of 2,008. The seat of the former municipality was the village of Ano Volos.