Vervio (Verv in lombard) is a comune (municipality) in the Province of Sondrio in the Italian region Lombardy, located about 120 kilometres (75 mi) northeast of Milan and about 30 kilometres (19 mi) northeast of Sondrio, on the border with Switzerland. As of 31 December 2004, it had a population of 230 and an area of 12.6 square kilometres (4.9 sq mi).[3]