history
Seixal is a parish in the municipality of the same name, in the district of Setúbal, on the southern bank of the Tagus estuary, covering 2.37 km² and home to 2,776 inhabitants (2011). In 2013 it was merged with the parishes of Arrentela and Aldeia de Paio Pires to form the União das Freguesias do Seixal, Arrentela e Aldeia de Paio Pires, and regained its status as an independent parish in 2025 under Law no. 25-A/2025. It has several gardens and the Baía Natural do Seixal, a habitat for herons, flamingos, seagulls and ducks. Its heritage includes the Igreja Matriz de Nossa Senhora da Conceição (Parish Church of Nossa Senhora da Conceição), the Novo and Velho dos Paulistas tidal mills, the Jardim dos Mártires da Liberdade, the Museu da Tipografia Portuguesa, the Edifício Paiva Coelho, the libraries and museums of the philharmonic societies, historic fountains and traditional balconies.