The Pedro Muñoz Seca Municipal Theater (Teatro Municipal Pedro Muñoz Seca) is a 600-seat theater located in El Puerto de Santa María Cadiz Spain. It is named after Pedro Muñoz Seca a playwright originally from the city.The theater is located in Polvorista Plaza (Plaza del Polvorista) in a building that served as a barracks for a cavalry regiment of the Spanish Army in the 18th century.