CIVITA CASTELLANA (anc. Falerii, q.v. ), a town and episcopal see of the province of Rome, 45 m. by rail from the city of Rome (the station is 5 m. N.E. of the town). Population (1901) 5265. The cathedral of S. Maria possesses a fine portico, erected in 1 2 10 by Laurentius Romanus, his son Jacobus and his grandson Cosmas, in the cosmatesque style, with ancient columns and mosaic decorations: the interior was modernized in the 18th century, but has some fragments of cosmatesque ornamentation. The citadel was erected by Pope Alexander VI. from the designs of Antonio da Sangallo the elder, and enlarged by Julius II. and Leo X. The lofty bridge by which the town is approached belongs to the 18th century. Mount Soracte lies about 6 m. to the south-east.