Associazione Calcio Monza is a professional football club based in Monza, Lombardy, Italy. Founded in 1912 as Monza Foot Ball Club, they play in the Serie A, the top tier of Italian football, following promotion in the 2019–20 season. In its history, the club has never reached the Serie A and has participated in 39 second divisions seasons; the most by any Italian club without ever achieving promotion to the first division.