Agia Varvara (Greek: Αγία Βαρβάρα, 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: Αιγάλεω).

It is 6 km (4 mi) west of central Athens.

[3] 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.