Santiago del Estero (Spanish pronunciation: [sanˈtjaɣo ðel esˈteɾo]), also known simply as Santiago, is a province in the north of Argentina. Neighboring provinces, clockwise from the north, are Salta, Chaco, Santa Fe, Córdoba, Catamarca and Tucumán.
Salta (Spanish pronunciation: [ˈsalta]) is a province of Argentina, located in the northwest of the country. Neighboring provinces are from the east clockwise Formosa, Chaco, Santiago del Estero, Tucumán and Catamarca. It also surrounds Jujuy. To the north it borders Bolivia and Paraguay and to the west lies Chile.
Mar Chiquita (in Spanish literally "Little Sea") or Mar de Ansenuza is an endorheic salt lake located in the northeast of the province of Córdoba, in central Argentina. The northeast corner of the lake also extends into southeastern Santiago del Estero Province. It is the largest of the naturally occurring saline lakes in Argentina. The lake is located in parts of five departments in the two provinces.
The lake is in the Argentine Espinal ecoregion.It occupies the southern part of a depression that measures about 50 miles/80 km (north–south) by 28 miles/45 km (east–west). Its surface area varies considerably, given its shallow depth (about 10 m), and ranges between 2,000 and 6,000 km (770 and 2,320 sq mi).
Córdoba (Spanish pronunciation: [ˈkoɾðoβa]) is a province of Argentina, located in the center of the country. Its neighboring provinces are (clockwise from the north) Santiago del Estero, Santa Fe, Buenos Aires, La Pampa, San Luis, La Rioja, and Catamarca. Together with Santa Fe and Entre Ríos, the province is part of the economic and political association known as the Center Region.
Córdoba is the second-most populous Argentine province, with 3,978,984 inhabitants, and the fifth by size, at about 165,321 km (63,831 sq mi). Almost 41% of its inhabitants reside in the capital city, Córdoba, and its surroundings, making it the second most populous metro area in Argentina.
Santa Fe, officially Province of Santa Fe (Spanish: Provincia de Santa Fe, Spanish pronunciation: [ˈsanta ˈfe], lit. "Holy Faith") is a province of Argentina, located in the center-east of the country. Neighboring provinces are from the north clockwise Chaco (divided by the 28th parallel south), Corrientes, Entre Ríos, Buenos Aires, Córdoba, and Santiago del Estero. Together with Córdoba and Entre Ríos, the province is part of the economico-political association known as the Center Region.
Santa Fe's most important cities are Rosario (population 1,193,605), the capital Santa Fe (369,000), Rafaela (100,000), Reconquista (99,000) Villa Gobernador Gálvez (74,000), Venado Tuerto (69,000), and Santo Tomé (58,000).
Chaco (Spanish pronunciation: [ˈtʃako]; Wichi: To-kós-wet), officially the Province of Chaco (Spanish: provincia del Chaco [pɾoˈβinsja ðel ˈtʃako]) is one of the 23 provinces of Argentina. Its capital and largest city is Resistencia. It is located in the north-east of the country.
It is bordered by Salta and Santiago del Estero to the west, Formosa to the north, Corrientes to the east, and Santa Fe to the south. It also has an international border with the Paraguayan department of Ñeembucú. With an area of 99,633 km (38,469 sq mi) and a population of 1,142,963 as of 2022, it is the twelfth most extensive, and the eleventh most populated, of Argentina's provinces.
The Argentine Northwest (Spanish: Noroeste argentino, NOA) is a geographic and historical region of Argentina comprising the provinces of Catamarca, Jujuy, La Rioja, Salta, Santiago del Estero and Tucumán. It borders Bolivia to the north, Chile to the west, the Northeast region to the east, the Center region to the south, and the Cuyo region to the southwest.
The region extends primarily over the Andes Mountains and their adjacent valleys, encompassing a diverse range of landscapes. The region's main geographic features are the Puna, the Calchaquí Valleys, the Yungas, and the Argentine portion of the Chaco Plains. Major rivers in the region include the Bermejo River, the Salí-Dulce River, and the Pilcomayo River.