Viseu is both a city (capital of Viseu District) and a municipality in the Dão-Lafões Subregion of Centro Region, Portugal. The municipality, with an area of 507.1 km², has a population of 100,167 (2008), and the city proper has 47,250 Nuno Pires Soares, Instituto Geográfico Português (Geographic (...) (from Wikipedia)