Location of Magnesia Prefecture in Greece
|o Total||2,367 km2 (914 sq mi)|
|Area rank||List of the prefectures of Greece by area|
|o Rank||List of the prefectures of Greece by population|
|o Density||82/km2 (210/sq mi)|
Magnesia Prefecture (Greek: ) was one of the prefectures of Greece. Its capital was Volos. It was established in 1899 from the Larissa Prefecture. The prefecture was disbanded on 1 January 2011 by the Kallikratis programme, and split into the regional units of Magnesia and the Sporades.