Football Club Internazionale Milano, commonly referred to as nter Milan in English-speaking countries, is an Italian professional football club based in Milan, Lombardy. Inter is the only Italian side to have always competed in the top flight of Italian football since its debut in 1909. Founded in 1908. nter won its first championship in 1910. Since its formation, the club has won 33 domestic trophies, including 19 league titles, 8 Coppa Italia and 6 Supercoppa Italiana. From 2006 to 2010, the club won five successive league titles, equalling the all-time record at that time. They have won the Champions League three times. nter's home games are played at the San Siro stadium, which they share with city rivals Milan. The stadium is the largest in Italian football with a capacity of 75,923.