Viggiù (Vigiǘ in Milanese) is a comune (municipality) in the Province o Varese in the Italian region Lombardy, locatit aboot 50 km northwast o Milan an aboot 8 km northeast o Varese, on the border wi Swisserland. As o 31 Dizember 2004, it haed a population o 5,148 an a aurie o 9.3 km².