39°20′52″N 22°54′39″E / 39.34773°N 22.91091°E / 39.34773; 22.91091
Demetrias (Ancient Greek: Δημητριάς) was a Greek city in Magnesia in ancient Thessaly (east central Greece), situated at the head of the Pagasaean Gulf, near the modern city of Volos.