Agios Dimitrios is a village in Almyros Municipality, in the regional unit of Magnesia, in the region of Thessaly, Greece. Agios Dimitrios lies at 3 m above sea level, in the Mount Othrys mountains. It has 87 inhabitants (2021). The nearest city is Volos, 39 km to the north. Beaches nearby: Agios Dimitrios (2.5 km), Akti Panagia (3.7 km), Faprikezaina (6 km). Among the landmarks around are Antron (5.1 km), Oreus (9.4 km) and Echinus (29 km). Among the natural features are Στρογγυλή Λιχάδος Ευβοίας (29 km).
Also written Άγιος Δημήτριος.