Lisbon metropolitan area
The Lisbon metropolitan area, centered in the Portuguese capital city of Lisbon, is the largest population concentration in Portugal. The population in 2011 was 2,821,876, of whom 547,733 (19.4%) live in the city of Lisbon. About 26.7% of the total population of Portugal lives in the Lisbon metropolitan area. The area of the Lisbon metropolitan area is 3,015.24 km, which is 3.3% of the total area of Portugal.
António Costa
António Costa resigned all government offices in May 2007 to become his party's candidate for the municipality of Lisbon, Portugal's capital city. He was elected as Lisbon's mayor on 15 July 2007 and reelected in 2009 and 2013, with a bigger majority each time. In April 2015 he resigned his duties as a mayor, while he was already the Secretary General of the Socialist Party and the party's candidate for Prime Minister, so that he could prepare his campaign for the October 2015 general elections.