Coimbra (Portuguese pronunciation: [kuˈĩbɾɐ ~ ˈkwĩbɾɐ ]) is a city and a municipality in Portugal. The population at the 2011 census was 143,396, in an area of 319.40 square kilometres (123.3 sq mi). The fourth-largest urban centre in Portugal (after Lisbon, Porto and Braga), it is the largest city of the district of Coimbra, the Centro region and the Baixo Mondego subregion. About 460,000 people live in the Região de Coimbra, comprising 19 municipalities and extending into an area 4,336 square kilometres (1,674 sq mi).