Velletri (; ) is an Italian town of 53,829 inhabitants. It is a
comune in the
province of Rome, on the
Alban Hills, in
Lazio (
Latium) - Italy. Neighbouring communes are
Rocca di Papa,
Lariano,
Cisterna di Latina,
Artena,
Aprilia,
Nemi,
Genzano di Roma,
Lanuvio. Its motto is:
Est mihi libertas papalis et imperialis.