 Santo Stefano d'Aveto is about northeast of Genoa, in the Val d'Aveto, near the Aveto river.The town is part of the Comunità montana Valli Aveto, Graveglia e Sturla, and is one of five Ligurian towns in the Aveto Natural Regional Park.The town was likely founded during prehistoric times, and the first mention of this town was during the 2nd century BC, where at the foot of Monte Penna a battle between the Romans and Ligurians took place.