Bergamo is a city in northern Italy and one of the most economically developed areas in Lombardy. It is famous for its unique two-tiered layout: the Upper Town, Città Alta, a medieval citadel enclosed by Venetian walls (UNESCO World Heritage), and the Lower Town, Città Bassa, with wide boulevards, elegant buildings, lively bars and numerous shops. Bergamo is just 10 minutes from Milan Bergamo (Orio al Serio) Airport.