Castro Daire is a municipality in Viseu District in Portugal. The population in 2011 was 15,339, in an area of 379.04 km².The present mayor is Fernando Carneiro, elected by the Socialist Party. The municipal holiday is June 29 (St Peter's Day).ParishesAdministratively, the municipality is divided into 12 civil parishes : Almofala Cabril Castro Daire Cujó Gosende Mamouros, Alva e Ribolhos Mezio e Moura Morta Mões Moledo Monteiras Parada de Ester e Ester Pepim Picão e Ermida Pinheiro Reriz e Gafanhão São Joaninho