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.
Lisbon
The Lisbon region is the wealthiest region in Portugal and it is well above the European Union's GDP per capita average – it produces 45% of the Portuguese GDP. Lisbon's economy is based primarily on the tertiary sector. Most of the headquarters of multinationals operating in Portugal are concentrated in the Grande Lisboa Subregion, specially in the Oeiras municipality. The Lisbon Metropolitan Area is heavily industrialized, especially the south bank of the Tagus river (Rio Tejo).