Souroti is a rural village in the Thessaloniki regional unit of Greece, located 25 kilometers outside of the city of Thessaloniki. In Greece the village is particularly known for the mineral water bottled there. Administratively it belongs to the municipality of Thermi. The Monastery of Saint John the Theologian is situated there, associated with the name of a famous Orthodox religious author and ascetic of the 20th century, St. Paisios of Mount Athos.