 The former Póvoa Bay ("Enseada da Póvoa"), is the modern Port of Póvoa de Varzim, former small rivers existed in the city, as some excavations near the Casino suggest.Praça do Almada, the civic center square, was the location of the Boído Lagoon in Póvoa Bay.In the Northern high-rise district, another lagoon existed until the 20th century.