Numão is a parish of Vila Nova de Foz Coa municipality. Numão is a very old population, probably inhabited by Celts before the romanization. The Roman period, there remain several monuments, including sources, the bridge over the river Teja, Inscriptions, and the columns of the Roman Forum located in the castle. The castle has a Romanesque church, a cistern, and the walls with six towers, which were rebuilt in medieval times and in the 50s of the last century. They can also be seen numerous anthropomorphic graves inside and outside the castle. In medieval maps the population is called Nonian, obtained the first charter even before independence from Portugal, and obtained a new charter in Manueline time it was a town until the eighteenth century.