4 World Heritage Sites in the Porto and North regions of Portugal

4 World Heritage Sites in the Porto and North regions of Portugal: When a location is considered World Heritage by UNESCO it is a location of worldwide importance for the preservation of natural and historic heritages. Portugal became an affiliate on 30 September 1980, contributing some of the locations on this list that have great value at a global scale. Portugal has 15 registered locations and a fourth of them are located in the north region of Portugal. We