Pagani is a town and comune in Campania, Italy, administratively part of the Province of Salerno, in the region known as the Agro nocerino-sa…Pagani is a town and comune in Campania, Italy, administratively part of the Province of Salerno, in the region known as the Agro nocerino-sarnese. Pagani has a population of 35,834, as of 2016.