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 might be connected to Capo Giano, signifying "head of Janus" (the deity who could see past and future), or Casa Porciana, indicating a "house of pigs," which reflects the presence of wild boars in the woods surrounding the town.