Tagus
…which include the districts of Castelo Branco, Portalegre, Santarém, Lisbon, and Setúbal. The most important cities along its course are Aranjuez, Toledo, and Talavera de la Reina in Spain; and Abrantes, Santarém, and Lisbon in Portugal. The Tagus basin has a total area of 80,600 km2 (31,100 sq mi). It…