Corrientes is the capital city of the province

Provinces of Argentina

Argentina is subdivided into twenty-three provinces and one autonomous city...

 of Corrientes

Corrientes Province

Corrientes is a province in northeast Argentina, in the Mesopotamia region. It is surrounded by : Paraguay, the province of Misiones, Brazil, Uruguay, and the provinces of Entre Rios, Santa Fe and Chaco.-History:...

, Argentina, located on the eastern shore of the Paraná River

Paraná River

The Paraná River is a river in south Central South America, running through Brazil, Paraguay and Argentina for some . It is second in length only to the Amazon River among South American rivers. The name Paraná is an abbreviation of the phrase "para rehe onáva", which comes from the Tupi language...

, about 1000 km (621 mi) from Buenos Aires

Buenos Aires

Buenos Aires is the capital and largest city of Argentina, and the second-largest metropolitan area in South America, after São Paulo. It is located on the western shore of the estuary of the Río de la Plata, on the southeastern coast of the South American continent...

 and 300 km (186 mi) from Posadas

Posadas, Misiones

Posadas is the capital city of the Argentine province of Misiones, located at the south of the province, on the left-hand shore of the Paraná River, opposite Encarnación, Paraguay. The city has an area of 965 km² and a population of 323,739 ....

, on National Route 12

National Route 12 (Argentina)

National Route 12 is a road in Argentina, connecting the northeast section to the rest of the country. It runs through the provinces of Misiones, Corrientes, Entre Ríos and Buenos Aires....

. It has a population of 328,689 according to the 2001 Census.
Corrientes, as the provincial capital, is the most important city in the province, its economical centre, and holds the authorities and governmental institutions.

It has a mix of colonial and modern architecture, several churches and a number of lapacho, ceibo

Erythrina crista-galli

Erythrina crista-galli is a flowering tree in the family Fabaceae, native to Argentina, Uruguay, Brazil and Paraguay. It is widely planted as a street or garden tree in other countries, most notably in California...

, jacaranda

Jacaranda

Jacaranda is a genus of 49 species of flowering plants in the family Bignoniaceae, native to tropical and subtropical regions of South America , Central America, Mexico, and the Caribbean. It is also found in Asia, especially in Nepal...

, and orange trees.