Agosta, Lazio

Agosta (Romanesco: ) is a "comune" (municipality) in the Metropolitan City of Rome in the Italian region Latium, located about east of Rome.
Located on a tuff rock in the Monti Simbruini area, Agosta borders the following municipalities: Canterano, Cervara di Roma, Marano Equo, Rocca Canterano, Subiaco.
History.
The area of Agosta was inhabited since prehistoric times. It is mentioned in Augustus's "Res Gestae" as the source of the Aqua Marcia aqueduct, and after that it took its name from the Roman emperor. In 1051 AD a castle is mentioned here, which later was a possession of the monastery of Subiaco.