Santiago Metropolitan Region (Spanish: Región Metropolitana de Santiago) is one of Chile's 15 first-order administrative divisions. It is the country's only landlocked administrative region and contains the nation's capital, Santiago. Most commercial and administrative centers are located in the region, including Chile's main international airport, Arturo Merino Benítez.
With an area of 15,403.2 km2 (5,947 sq mi) and population over 7 million, it is Chile's smallest by area, most populated and most densely populated region. It is also the country's only region that does not have a Roman numeral identifier.
The region's history of European influence started in 1542, a few days after Santiago was founded. When the Santiago cabildo was built, its function was to supervise the entire territory. Later, with the creation of the cities of La Serena and Concepción and the creation of their respective cabildos, its territorial reach was reduced.
Metropolitana is Chile's only landlocked region and lies in the Intermediate Depression valley between the Chilean Coast Range and the Andes mountains. Cerro San Cristóbal dominates the sprawling Santiago cityscape at a height of 880 m (2,887 ft) above sea level with city suburbs steadily climbing the foothills of the Andes to the east. The Tupungato stratovolcano, measures 6,570 m (21,555 ft) on the Argentine border, is one of South America's highest peaks.
The climate of the Metropolitan Region is temperate Mediterranean cold, of the kind called continental. Precipitation is concentrated in the winter months, generally as snow over 900 m above sea level and, in colder years, over the city of Santiago. Winter tends to be cold with frequent frosts during which temperature drops below 0 °C (32 °F). The summer months are usually dry and hot. The Cordillera de la Costa acts as a climate screen and reduces marine influence, which makes the climate more continental. This situation becomes apparent when comparing precipitation from a coastal location such as Valparaíso (460 mm) with that of Santiago de Chile (360 mm).
The annual median precipitation reaches 367 mm on average. The annual median temperature comes out to 13.5 °C (56 °F), with a median high of 21 °C (70 °F) and a median low of 6 °C (43 °F) in urban areas. Rural areas tend to be colder, as temperature reaches −10 °C (14 °F) in the coldest months (July, August)
Most of the region is made up of an extremely fertile, level prairie that the locals call la Depresión intermedia (Intermediate Depression). The terrain is known for its low elevation in relation to sea level and for being surrounded by hills, as well as emergent so-called island hills, such as Santa Lucía (an ancient extinct volcano), Blanco, and Renca, present today in the city of Santiago.
There is some occurrence of the endangered Chilean Wine Palm, Jubaea chilensis within the Santiago Province; this iconic tree of central Chile had a much larger range prehistorically, before the decimation of much of its habitat by the expanding human population.
The region's principal industries include manufacturing, services, retail, and financial services. The capital of Santiago serves as the country's administrative, industrial, commercial, financial and cultural center, producing 41.5% of Chile's gross domestic product, according to central bank estimates. The Plaza de Armas, the central square in downtown Santiago, hosts the city's cathedral and city hall. Eight city blocks around the presidential palace, La Moneda, are where most ministries, services and commercial banks can be found. Vitacura and El Golf host most of the city's high-rise buildings and are also home to the Latin American headquarters of several United Nations organizations. Though Santiago's expansion has caused newer vineyards to move to more rural locations, many of the country's oldest wineries, built in the 19th century, have preserved cellars in the valley.
The region is divided into 6 provinces, which are themselves divided into 52 communes. The region is governed by the intendant, who is assigned by the president. The current intendant is Claudio Orrego (PDC, centrist).
The region's representatives in the Senate are:
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