The town's name itself is thought to come from Capo Giano (literally "head of Janus", the ancient Roman deity who could simultaneously see the past and the future) or from Casa Porciana (literally "house of pigs", referring to the continued large number of wild boars that roam the woods in the area).
The town's name is thought to derive from Capo Giano, which means "head of Janus" (the ancient Roman deity who could see both past and future) or Casa Porciana, meaning "house of pigs," due to the presence of a large number of wild boars in the woods.