Calliano is a comune (municipality) in the Province of Asti in the Italian region Piedmont, located about 45 kilometres (28 mi) east of Turin and about 14 kilometres (9 mi) northeast of Asti. As of 31 December 2004, it had a population of 1,443 and an area of 17.4 square kilometres (6.7 sq mi).
Calliano borders the following municipalities: Alfiano Natta, Asti, Castagnole Monferrato, Castell'Alfero, Grana, Penango, Portacomaro, Scurzolengo, and Tonco.
Calliano is twinned with:
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