Agios Georgios Nileias () is a village and a community in the municipal unit of Milies, Magnesia, Greece. It is situated on the slopes of mount Pelion, at about 700 m elevation. Its population in 2001 was 142 for the village, and 963 for the community. Agios Georgios Nileias is 1.5 km east of Agios Vlasios, 3 km northwest of Pinakates, 6 km northwest of Milies and 13 km east of Volos. Agios Georgios Nileias has a municipal museum with works of the sculptor Nikolaos Pavlopoulos.