São Luís (Portuguese pronunciation: [sɐ̃w luˈis], Saint Louis) is the capital and largest city of the Brazilian state of Maranhão. The city is located on Ilha de São Luís (Saint Louis' Island) in the Baía de São Marcos (Saint Mark's Bay), an extension of the Atlantic Ocean which forms the estuary of Pindaré, Mearim, Itapecuru and other rivers. Its coordinates are 2.53° south, 44.30° west. The city proper has a population of some 1,082,935 people (2016 IBGE estimate). The metropolitan area totals 1,605,305, ranked as the 15th largest in Brazil.