Porto, also known as Oporto in English, is the second-largest city in Portugal, after Lisbon, and one of the major urban areas in Southern Europe and the capital of the second major great urban area in Portugal. Located along the Douro river estuary in northern Portugal, Porto is one of the oldest European centres, and registered as a World Heritage Site by UNESCO in 1996.
The most important places to visit in Porto are: Casa da Musica, Estadio do Dragao, Foz do Douro, Serralves Foundation and Museum, Igreja de Sao Francisco, National Museum Soares dos Reis, Palacio da Bolsa, Porto Cathedral, Teatro Nacional Sao Joao, Port Wine Caves and many more.