Lombardy (Italian: Lombardia; Lombard: Lombardia) is an administrative region of Italy that covers 23,844 km2 (9,206 sq mi); it is located in the northern part of the country and has a population of about 10 million people, constituting more than one-sixth of Italy's population. It is the third most populous region in the European Union (EU). Over a fifth of Italy's gross domestic product (GDP) is produced in the region.The Lombardy region is located between the Alps mountain range and tributaries of the river Po, and includes Milan, the largest metropolitan area in the country, and among the largest in the EU. Of the fifty-eight UNESCO World Heritage Sites in Italy, eleven are in Lombardy. Virgil, Pliny the Elder, Ambrose, Gerolamo Cardano, Caravaggio, Claudio Monteverdi, Antonio Stradivari, Cesare Beccaria, Alessandro Volta, and Alessandro Manzoni; and popes John XXIII and Paul VI originated in the area of modern-day Lombardy region. Source: Wikipedia (en)