Porto de Mós is a town and a municipality of Estremadura province in Leiria District. It is in the Centro Region and the Pinhal Litoral subregi…Porto de Mós is a town and a municipality of Estremadura province in Leiria District. It is in the Centro Region and the Pinhal Litoral subregion. The population in 2011 was 24,342, in an area of 261.83 km².