Oporto is the second most important city in Portugal, after Lisbon. They outline the central nucleus of the city of Oporto, the subregion of Greater Oporto, and more broadly the Metropolitan Area of ​​Oporto, which forms its metropolitan area of ​​2 959 045 inhabitants. It is located in the north of the country, on the right bank of the Duero at its mouth in the Atlantic Ocean. It is headquarters of the homonymous district, in the North Region of Portugal.

Like many European cities, Oporto is an ancient city that has a large historical heritage, although during the last decades it has undergone extensive modernization. It has the longest metro in Portugal, covering not only the Center, but also areas of its metropolitan area such as Senhora da Hora or Maia. Likewise, the Sá Carneiro international airport has been recently expanded to allow a capacity of 16 million passengers per year.

Its historic center was declared a World Heritage Site by UNESCO in 1996. Other tourist-cultural attractions are the Clérigos Tower, built by Nicolau Nasoni, the Casa da Música and the Serralves Foundation, dedicated to contemporary art, which is the Most visited museum in Portugal. On the southern margin of the Douro River are the famous wine cellars, although it no longer belongs to the municipality of Oporto but to Vila Nova de Gaia. It is 140 km away from the Spanish border with Galicia, which can be crossed by motorway.

Both the country and the port wine owe their names to the city, which in turn means “the port”. Due to its cultural, demographic and industrial strength it is considered as the «Northern Capital» of Portugal.

(from Wikipedia)

(By Feliciano Guimarães from Guimarães, Portugal (Oporto meets GaiaUploaded by tm) (https://creativecommons.org/licenses/by/2.0)], via Wikimedia Commons)

By Taken by User:Olegivvit. [CC BY-SA 2.5 (https://creativecommons.org/licenses/by-sa/2.5)], from Wikimedia Commons