Milan (English /mᵻˈlæn/ or US /mᵻˈlɑːn/; Italian: Milano [miˈlaːno]; German: Mailand, Lombard: Mailand, Milanese variant: Milan [miˈlã]) is a city in Italy, capital of the Lombardy region, and the most populous metropolitan area and the second most populous comune in Italy. The population of the city proper is 1,351,000, and that of the Metropolitan City of Milan is 3,209,000. According to Eurostat, the commuting area has 4,252,000 inhabitants but its built-up-urban area (that stretches beyond the boundaries of the Metropolitan City of Milan), has a population estimated to be about 5,270,000 in 1,891 square kilometres (730 square miles), ranking 4th in the European Union. The wider Milan metropolitan area, known as Greater Milan, is a polycentric metropolitan region that comprehends almost all the provinces of Lombardy, the Piedmont province of Novara, and some parts of the province of Piacenza. Milan has a population of about 8,500,000 people. It is the main industrial and financial centre of Italy and one of global significance. In terms of GDP, it has the largest economy among European non-capital cities. Milan is considered part of the Blue Banana and lies at the heart of one of the Four Motors for Europe. Milan is an Alpha leading global city, with strengths in the arts, commerce, design, education, entertainment, fashion, finance, healthcare, media, services, research, and tourism. Its business district hosts Italy's Stock Exchange and the headquarters of the largest national and international banks and companies. The city is a major world fashion and design capital, well known for several international events and fairs, including Milan Fashion Week and the Milan Furniture Fair. The city hosts numerous cultural institutions, academies and universities, with 11% of the national total enrolled students. Milan's museums, theatres and landmarks (including the Milan Cathedral, Sforza Castle and Leonardo da Vinci paintings such as The Last Supper, a UNESCO World Heritage Site) attract over 9 million visitors annually. Milan – after Naples – is the second Italian city with the highest number of accredited stars from the Michelin Guide. The city hosted the Universal Exposition in 1906 and 2015. Milan is home to two of Europe's major football teams, A.C. Milan and F.C. Internazionale, and one of the major basketball teams, Olimpia Milano.