Arouca, Portugal / Portugal
Arouca ) is a town and a municipality in the Metropolitan Area of Porto, Norte Region, Portugal. The population in 2011 was 22,359, in an area of 329.11 square kilometres . It had 20,383 electors in 2006. The population has grown from 7072 inhabitants in 1801. The entire territory of Arouca is "Arouca Geopark" which is a member of the European Geoparks Network and Global Geoparks Network on account of its outstanding geological heritage, educational programs and projects, and promotion of geotourism.