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.
Tourism in Lisbon
Lisbon's Opera House, the "Teatro Nacional de São Carlos", hosts a relatively active cultural agenda, mainly in autumn and winter. Other important theatres and musical houses are the "Centro Cultural de Belém", the "Teatro Nacional D. Maria II", the Gulbenkian Foundation, and the "Teatro Camões".There are a number of tourist attractions outside of the city proper but within the Lisbon metropolitan area. Examples include Estoril, the beach resorts of Cascais, and the old city and castle of Sintra.