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Agia Varvara (Greek: Αγία Βαρβάρα) is a small village and a community in the municipal unit of Akrata, Achaea, Greece. The community includes the village Vounaki. It is built on the forested slopes of Mount Chelmos (Aroania). It is 3 km east of Mesorrougi, 15 km east of Kalavryta and 17 km south of Akrata. Between 1835 and 1912, Agia Varvara constituted a part of the municipality of Nonakrida, and between 1912 and 1996 it was an independent community.