The following is a list of the municipalities (comuni) of the region of Lazio in Italy.
There are 378 municipalities in Lazio as of 2026:
91 in the Province of Frosinone 33 in the Province of Latina 73 in the Province of Rieti 121 in the Metropolitan City of Rome Capital 60 in the Province of Viterbo
List
Municipality Province Population (2026)Area