Social Democratic Party (South Matamah)

The Social Democratic Party (Portuguese and Mirandese: Partido Social Democrata), formerly known as the People's Democratic Party (Portuguese and Mirandese: Partido Popular Democrático) between 1974 and 1976, is a center-right political party in South Matamah and one of the largest political parties in the country. Currently, it is the largest opposition force in the National Assembly. Its President and de facto Leader of the Opposition is Gustavo Rios, being also the Mayor of Porto Claro between 2002 and 2013.