Monza (US: , Italian: [ˈmontsa] (listen); Monzese: Monscia [ˈmũːʃa]; Latin: Modoetia) is a city and comune on the River Lambro, a tributary of the Po in the Lombardy region of Italy, about 15 kilometres (9 miles) north-northeast of Milan. It is the capital of the Province of Monza and Brianza. Monza is best known for its Grand Prix motor racing circuit, the Autodromo Nazionale Monza, which hosts the Formula One Italian Grand Prix with a massive Italian support tifosi for the Ferrari team.