The Republic of Argentina has 23 provinces and an autonomous city.

In Argentina it is called province to the states that make up the nation, according to the principles of federalism established in the Constitution. Legally Argentina is a federation of provinces and maintained by constitutional mandate the historical names of United River Plate and Argentina Confederation Provinces, in addition to the more usual Argentina.
  
Argentine provinces govern themselves, they write their own constitutions and have executive, legislative and judicial powers themselves, including their own provincial police. Fourteen of them are historically and legally existed prior to the current national organization, and with nine subsequently created exclusively retain all powers not expressly delegated to the Nation in the Constitution.
Official name: 
Argentinian republic 
Total area: 
3,761,274 km2 
Sup. Americas 
2,791,810 km2 
Sup. Antarctic Continent 
969,464 km2 
Capital: 
Autonomous City of Buenos Aires 
Political division: 
1 autonomous city and 23 provinces 
Government: 
Republican Representative and Federal 
Population: 
40,117,096 inhabitants. 2010 Census. 
Language: 
Spanish 
Monetary unit: 
Weight 
Autonomous City of Buenos Aires.
Capital 
Capital City of Argentina 
Surface: 
200 km2 
Population: 
2890151 hab. 
Argentine provinces. 
BUENOS AIRES.
Capital city 
La Plata 
Surface: 
307,571 km2 
Population: 
15625084 hab. 
CATAMARCA.
Capital city 
San Fernando del Valle de Catamarca 
Surface: 
102,602 km2 
Population: 
367,828 hab. 
CHACO.
Capital city 
Resistance 
Surface: 
99,633 km2 
Population: 
1055259 hab. 
CHUBUT.
Capital city 
Rawson 
Surface: 
224,686 km2 
Population: 
509,108 hab.

Read also: Argentina is composed of nine geographical regions.

CORDOVA 
Capital city 
Cordova 
Surface: 
165,321 km2 
Population: 
3308876 hab. 
CURRENTS.
Capital city 
currents 
Surface: 
88,199 km2 
Population: 
992,595 hab. 
BETWEEN RIVERS.
Capital city 
Paraná 
Surface: 
78,781 km2 
Population: 
1235994 hab. 
FORMOSA.
Capital city 
Formosa 
Surface: 
72,066 km2 
Population: 
530,162 hab. 
JUJUY.
Capital city 
San Salvador de Jujuy 
Surface: 
53,219 km2 
Population: 
673,307 hab. 
THE PAMPA.
Capital city 
Saint Rose 
Surface: 
143.440 km2 
Population: 
318,951 hab. 
THE RIOJA.
Capital city 
The Rioja 
Surface: 
89,680 km2 
Population: 
333,642 hab. 
MENDOZA.
Capital city 
Mendoza 
Surface: 
148,827 km2 
Population: 
1738929 hab. 
MISSIONS.
Capital city 
posadas 
Surface: 
29,801 km2 
Population: 
788,915 hab. 
NEUQUÉN.
Capital city 
Neuquén 
Surface: 
94,078 km2 
Population: 
388,833 hab. 
BLACK RIVER.
Capital city 
Viedma 
Surface: 
203,013 km2 
Population: 
638,645 hab. 
SALTA.
Capital city 
Salta 
Surface: 
155,488 km2 
Population: 
1214441 hab. 
SAN JUAN.
Capital city 
San Juan 
Surface: 
89.651 km2 
Population: 
681,055 hab. 
SAINT LOUIS.
Capital city 
saint Louis 
Surface: 
76,748 km2 
Population: 
432,310 hab. 
SANTA CRUZ.
Capital city 
Rio Gallegos 
Surface: 
243,943 km2 
Population: 
273,964 hab. 
SANTA FE.
Capital city 
Santa Fe 
Surface: 
133,007 km2 
Population: 
3194537 hab. 
SANTIAGO DEL ESTERO.
Capital city 
Santiago del Estero 
Surface: 
136,351 km2 
Population: 
874,006 hab. 
TUCUMÁN.
Capital city 
San Miguel de Tucuman 
Surface: 
22,524 km2 
Population: 
1448200 hab. 
TIERRA DEL FUEGO, Antarctica and South Atlantic Islands
Capital city 
Ushuaia 
Total area: 
1,002,445 km2 
Sup. Antartida 
965,597 km2 
Sup. Austral Islands 
3867 km2 
Population: 
127,205 hab. 
Bibliography:

• IGN: Values ​​calculated on surface mapping at 1: 500,000
• INDEC: Facts Conclusive population Census Population and Housing 2010.
• Immagini: Wikipedia