Tricesimo (Friulian: Tresesin) is a comune (municipality) in the Province of Udine in the Italian region Friuli-Venezia Giulia, located about 70 kilometres (43 mi) northwest of Trieste and about 9 kilometres (6 mi) north of Udine. As of 31 December 2004, it had a population of 7,471 and an area of 17.5 square kilometres (6.8 sq mi). The municipality of Tricesimo contains the frazioni (subdivisions, mainly villages and hamlets) Ara Grande, Ara Piccola, Felettano, Fraelacco, Leonacco, Braidamatta, Colgallo, and Adorgnano.