Verbania is the most populous comune (municipality) and the capital city of the province of Verbano-Cusio-Ossola in the Piedmont region of northwest Italy. It is situated on the shore of Lake Maggiore, about 91 km (57 mi) north-west of Milan and about 40 km (25 mi) from Locarno in Switzerland. It had a population of 30,827 at 1 January 2017.

The province of Verbano-Cusio-Ossola is a province in the Piedmont region of Italy. It was created in 1992 through the fusion of three geographical areas which had previously been part of the province of Novara. The area flanking the western shore of Verbano forms the eastern part of the province; Cusio and its environs form the southern part; while the north and west of the province consist of the Ossola, a region of Alpine mountains and valleys. The ISO code for the province is VB.