Torriglia is a comune, or municipality, located in the Italian region of Liguria. It is situated within the Metropolitan City of Genoa and lies in the upper Trebbia valley, approximately 20 kilometres (12 mi) northeast of the city of Genoa.
The municipality shares borders with several neighboring areas, including Davagna, Lorsica, Lumarzo, Mocònesi, Montebruno, Montoggio, Neirone, Propata, Rondanina, and Valbrevenna.