The comune covers an area roughly three times the total area within the Raccordo and is comparable in area to the entire metropolitan cities of Milan and Naples, and to an area six times the size of the territory of these cities.
Comune ini meliputi area yang luasnya tiga kali luas keseluruhan area di dalam Raccordo tersebut dan dapat dibandingkan dengan area keseluruhan kota metropolitan Milan dan Napoli, enam kali luas teritori kota-kota itu.