Milan–Malpensa Airport , formerly City of Busto Arsizio Airport, is the largest airport for the Milan metropolitan area in northern Italy. It serves 15 million inhabitants in Lombardy, Piedmont and Liguria. The airport is located northwest of central Milan, next to the Ticino river, which is a border between Lombardy and Piedmont. The airport has two terminals and two runways. There is a dedicated cargo terminal called "CargoCity", which handles over 435,000 tons of traffic annually.