Serra San Bruno is a comune in the Province of Vibo Valentia in the Italian region Calabria, located about 40 kilometres southwest of Catanzaro and about 25 kilometres southeast of Vibo Valentia. As of 31 December 2004, it had a population of 6,966 and an area of 39.6 square kilometres. Close by is the famous Carthusian monastery, Serra San Bruno Charterhouse, around which the town grew up.