Corfinio is a comune and town in the province of L'Aquila, in the Italian region of Abruzzo. In the Middle Ages, Roman Corfinium was known …Corfinio is a comune and town in the province of L'Aquila, in the Italian region of Abruzzo. In the Middle Ages, Roman Corfinium was known as Valva, and was the seat of a bishopric. This name is preserved in the name of the united diocese of Sulmona-Valva.