 Accounting international tourists, the most popular regions were Lisbon (4.4 million), Algarve (3 million), Northern Portugal (2.1 million), Central Portugal (1.2), Madeira (1.2), Alentejo 370,000 and the Azores.For national tourists the most popular regions were Northern Portugal (2.3), Central Portugal (2.0), Lisbon (1.9), the Algarve (1.2), Alentejo (0.8), Madeira (0.29), and the Azores (0.27).Lisbon is, with Barcelona, one of the European cities leading in overnight stays.