| ISO-3166-2 | Fips | Name of Subdivision | Capital | Population | area in km² |
| 1 | A | 17 | Salta | Salta | | 156,368.9 |
| 2 | B | 01 | Buenos Aires Province | La Plata | 16,123,980 | 305,908.2 |
| 3 | C | 07 | Distrito Federal | Buenos Aires | 2,703,744 | 173.6 |
| 4 | D | 19 | San Luis | San Luis | | 77,381.2 |
| 5 | E | 08 | Entre Rios | Paraná | | 78,028.8 |
| 6 | F | 12 | La Rioja | La Rioja | | 91,640.4 |
| 7 | G | 22 | Santiago del Estero | Santiago del Estero | | 135,186.0 |
| 8 | H | 03 | Chaco | Resistencia | | 99,529.5 |
| 9 | J | 18 | San Juan | San Juan | | 87,038.9 |
| 10 | K | 02 | Catamarca | San Fernando del Valle de Catamarca | | 99,467.0 |
| 11 | L | 11 | La Pampa | Santa Rosa | | 142,631.5 |
| 12 | M | 13 | Mendoza | Mendoza | | 151,274.6 |
| 13 | N | 14 | Misiones | Posadas | | 29,720.5 |
| 14 | P | 09 | Formosa | Formosa | | 75,912.3 |
| 15 | Q | 15 | Neuquen | Neuquén | | 93,556.3 |
| 16 | R | 16 | Rio Negro | Viedma | | 202,845.7 |
| 17 | S | 21 | Santa Fe | Santa Fe | | 133,835.9 |
| 18 | T | 24 | Tucuman | San Miguel de Tucumán | | 23,156.4 |
| 19 | U | 04 | Chubut | Rawson | | 224,187.2 |
| 20 | V | 23 | Tierra del Fuego | Ushuaia | | 20,847.6 |
| 21 | W | 06 | Corrientes | Corrientes | | 88,770.8 |
| 22 | X | 05 | Cordoba | Córdoba | | 167,899.5 |
| 23 | Y | 10 | Jujuy | San Salvador de Jujuy | | 53,019.3 |
| 24 | Z | 20 | Santa Cruz | Río Gallegos | | 242,632.7 |