Collobiano Comune Comune di Collobiano Coat of arms Collobiano Location of Collobiano in Italy Coordinates: 45°24′N 8°21′E﻿ / ﻿45.400°N 8.350°E﻿ / 45.400; 8.350Coordinates: 45°24′N 8°21′E﻿ / ﻿45.400°N 8.350°E﻿ / 45.400; 8.350 Country Italy Region Piedmont Province Vercelli (VC) Government • Mayor Fulvio Berrone Area • Total 9.1 km2 (3.5 sq mi) Population (Dec.