Volos is a city situated at the center of the Greek mainland, north of Athens. It is the capital of Magnesia prefecture. Modern Volos is built on the ancient cities of Demetrias, Pagasae and Iolkos. To the west of Volos there are the Neolithic settlements of Dimini with a ruined acropolis, walls and two beehive tombs dated between 4000-1200 BC, and Sesklo with the remains of the oldest acropolis in Greece (6000 BC), as well as examples of Neolithic civilizations.