Bolt w Porto

Porto is the second-largest city in Portugal after Lisbon and one of the major urban areas of the Iberian Peninsula. The city proper has a population of 237,591 and the metropolitan area of Porto, which extends beyond the administrative limits of the city, has a population of 1.9 million. The city of Porto, built along the hillsides overlooking the mouth of the Douro river, is an outstanding urban landscape with a 2,000-year history.