Comune in Campania, Italy Colliano Comune Comune di Colliano View of Colliano and Collianello (on the top of the hill) Colliano within the Province of Salerno Location of Colliano Colliano Location of Colliano in Italy Show map of Italy Colliano Colliano (Campania) Show map of Campania Coordinates: 40°44′N 15°17′E﻿ / ﻿40.733°N 15.283°E﻿ / 40.733; 15.283Coordinates: 40°44′N 15°17′E﻿ / ﻿40.733°N 15.283°E﻿ / 40.733; 15.283 Country Italy Region Campania Province Salerno (SA) Frazioni Bagni, Bisigliano, Collianello, Macchia Grande, Macchia Piccola, San Vittore, Sasso, Valle di Raio Area [1] • Total 54 km2 (21 sq mi) Population (1 April 2009)[2] • Total 3,813 • Density 71/km2 (180/sq mi) Demonym Collianesi Time zone UTC+1 (CET) • Summer (DST) UTC+2 (CEST) Postal code 84020 Dialing code 0828 ISTAT code 065043 Patron saint St. Leo X Saint day 20 July Website Official website