World-famous for its port wine, Porto is Portugal's second largest city and is the commercial and industrial centre for the zone north of the Mondego River. The historic centre of Porto was designated a UNESCO World Heritage site in 1996. Pop. (2001) city, 263,131; metro.

Porto downtown  A Baixa\n\n For a majority of people, it is the area of Avenida dos Aliados and its neighboring streets. We recommend that any visit to Porto should begin here, at its most famous square, Praa da Liberdade, with the Porto City Council building in the background.