Portaria is a village and a former municipality in Magnesia, Thessaly, Greece. Since the 2011 local government reform it is part of the municipality Volos, of which it is a municipal unit. The municipal unit has an area of 22.754 km2. It is located on Mt. Pelion, facing the Pagasetic Gulf, north of Volos and its suburbs. The majority of the buildings are typical examples of Pelion architecture with their windows and doors decorated with a variety of colors. The mountaintop of Pelion is to the north.