Aragon (; Spanish and ) is an autonomous community in Spain, coextensive with the medieval Kingdom of Aragon. In northeastern Spain, the Aragonese autonomous community comprises three provinces (from north to south): Huesca, Zaragoza, and Teruel. Its capital is Zaragoza. The current Statute of Autonomy declares Aragon a historic nationality of Spain. Covering an area of , the region's terrain ranges diversely from permanent glaciers to verdant valleys, rich pasture lands and orchards, through to the arid steppes of the central lowlands. Aragon is home to many rivers—most notably, the river Ebro, Spain's largest river in volume, which runs west–east across the entire region through the province of Zaragoza. It is also home to the highest mountains of the Pyrenees. , the population of Aragon was , with most living in the capital city, Zaragoza. In 2020, the economy of Aragon generated a GDP of million, which represents 7.4% of Spain's national GDP, and is currently 4th in per capita production behind Madrid, Basque Country, Navarre, Catalonia . In addition to its three provinces, Aragon is subdivided into 33 comarcas or counties. All comarcas of Aragon have a rich geopolitical and cultural history from its pre-Roman, Celtic and Roman days, four centuries of Islamic rule as Marca Superior of Al-Andalus or kingdom (or taifa) of Saraqusta, as lands that once belonged to the Frankish Marca Hispanica, counties that later formed the Kingdom of Aragon, and eventually the Crown of Aragon. Geography Location The area of Aragon is of which belong to the province of Huesca, to the province of Zaragoza and to the province of Teruel. The total represents a 9.43% of the surface of Spain, being thus the fourth autonomous community in size behind Castile and León, Andalusia, and Castile-La Mancha. It is located in the northeast of the Iberian Peninsula, at a latitude between 39º and 43º'N in the temperate zone. Its boundaries and borders are in the north with France (the regions of Nouvelle-Aquitaine and Occitanie), in the west with the autonomous communities of Castile-La Mancha (provinces of Guadalajara and Cuenca), Castile and León (province of Soria), La Rioja and Navarre, and in the east with the autonomous communities of Catalonia (provinces of Lérida and Tarragona) and the Valencian Community (provinces of Castellón and Valencia). Relief The orography of the community has as the central axis the Ebro valley (with heights between 150 and 300 meters approx.)