Milan is a city in Italy, capital of the Lombardy region, and the largest metropolitan area and the second most populous comune in Italy. The population of the city proper is 1,369,000, and that of the Metropolitan City of Milan is 3,219,000. According to Eurostat, the commuting area counts 4,252,000 inhabitants but its built-up-urban area, has a population estimated to be about 5,270,000 in 1,891 square kilometres, ranking 4th in the European Union. The wider Milan metropolitan area, known as Greater Milan, is a polycentric metropolitan region that comprehends almost every province of Lombardy, the Piedmont province of Novara, and some parts of the province of Piacenza and which counts an estimated population of 8,123,020. It is Italy’s main industrial and financial centre and one of the most significant globally. 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.