Sora is a city and comune of Lazio, Italy, in the province of Frosinone. It is built in a plain on the banks of the Liri. This part of the valley is the seat of some important manufactures, especially of paper-mills. The district around Sora is famous for the costumes of its peasants. The distance from Sora to center of Rome is 115 km, heading In the opposite direction the downtown area of Naples is 138 km from Sora.