rcial and industrial centre for the zone north of the Mondego River. The historic s of Porto was designated a UNESCO ⭕️ World Heritage site in 1996. Pop. (2001) city, 1; metro. Porto | History, Population, Map, Climate, & Facts | Britannica recomcommend hat any ⭕️ visit to Porto should begin here, at its most famous square, Praa da Liberdade,
