Agia Varvara (, meaning Saint Barbara) is a suburban town in the western part of the Athens agglomeration in Attica, Greece, and a municipality in the West Athens regional unit.
Agia Varvara is situated east of the mountain Aigaleo (Greek: ÃÂùóìûõÃÂ). It is west of central Athens. The municipality has an area of 2.425 km<sup>2</sup>. It is served by the Agia Varvara and Agia Marina stations on Line 3 of the Athens Metro. In terms of academic institutions, the area contains 2 campuses of West Attica University which in total includes approx 60,000 students according to 2023.