Wall Sticker AC Milan Shield. Associazione Calcio Milan is an Italian football club that belongs to the city of Milan, in the region of Lombardy (Italy). It was founded in 1899. It competes in the top flight of the Lega Nazionale Professionisti Serie A of Italian football. Until 2022, it is the Italian team and the third team in Europe and the world with the highest number of official international trophies, having won 18 titles.