Porto is the second-largest city in Portugal after Lisbon and one of the major urban areas of the Iberian Peninsula (population 287,591). The urban area of Porto, which extends beyond the administrative limits of the city, has a population of 2.4 million. It is known for known for its stately bridges and port wine production. In the medieval Ribeira (riverside) district, narrow cobbled streets wind past merchants’ houses and cafes
As the most important city in the heavily industrialized northwest, many of the largest Portuguese corporations from diverse economic sectors are headquartered in the Greater Metropolitan Area of Porto.
One of Portugal's internationally famous exports, port wine, is named after Porto, since the metropolitan area, and in particular the cellars of Vila Nova de Gaia, were responsible for the packaging, transport and export of the fortified wine.