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.
Cabo Ruivo Seaplane Base
Cabo Ruivo Seaplane Base () was an international airport for seaplanes located in the city of Lisbon, the capital of Portugal. It takes its name from the Lisbon neighbourhood of Cabo Ruivo. The airport was, especially throughout the Second World War, a major gateway and escape route for intercontinental airtravel.