Megalovryso (Greek: Μεγαλόβρυσο, Greek pronunciation: [meɣa'lovɾiso]), known before 1927 as Nivoliani (Greek: Νιβόλιανη), is a village and a community of the Agia municipality.

[2] The community of Megalovryso covers an area of 17.128 km2.

[3]