Administrative divisions of Argentina
Argentina is divided into 24 first-level administrative divisions:
Largest cities in Argentina
| # | City | Population |
|---|---|---|
| 1 | Buenos AiresCapital | 12,795,000 |
| 2 | Córdoba | 1,452,000 |
| 3 | Rosario | 1,203,000 |
| 4 | Mendoza | 893,000 |
| 5 | Tucumán | 830,000 |
| 6 | La Plata | 694,253 |
| 7 | Mar del Plata | 555,897 |
| 8 | Salta | 512,686 |
| 9 | Santa Fe | 489,505 |
| 10 | San Juan | 447,048 |
Buenos Aires is the largest urban area in Argentina with about 12,795,000 people.
Terrain, rivers & lakes
Highest terrain in Argentina: ≈ 6,862 m — read from the global elevation model, so summit heights are approximate. The physical map paints elevation bands from green lowlands to brown highlands.
🌊 Rivers
- Chico
- Gallegos
- Tercero
- Carcarañá
- Neuquén
- Negro
- Colorado
- Santa Cruz
- Chubut
- Mendoza
- Salado
- Uruguay
- Pilcomayo
- San Juan
- Desaguadero
- Paraná
- Deseado
- Limay
- Dulce
- Bermejo
- Ibicuí
🏞️ Lakes
- Lago Buenos Aires
- Lago Argentino
- Lake
- Lago Viedma
- Lago Colhué Huapí
- Lago San Martín
- Lago Nahuel Huapí
- Lago La Plata
- Lago Fontana
- Laguna Iberá
- Lago Musters
- Lago Cardiel
- Embalse Ezequiel Ramos Mexia
- Mar Chiquita
Ethnic groups in Argentina
European (mostly Spanish and Italian descent) and Mestizo (mixed European and Indigenous ancestry) 97.2%, Indigenous 2.4%, African descent 0.4% (2010 est.)
Regionally, European and Mestizo is the most common ethnic group across most of the 24 divisions.
Source: CIA World Factbook (2010 est.) · regional dominance compiled by Glostats from censuses and surveys
Religions in Argentina
Roman Catholic 62.9%, Evangelical 15.3% (Pentecostal 13%, other Evangelical 2.3%), Jehovah's Witness and Church of Jesus Christ 1.4%, other 1.2% (includes Muslim, Jewish), none 18.9% (includes agnostic and atheist), unspecified 0.3% (2019 est.)
Regionally, Roman Catholic is the most common religious group across most of the 24 divisions.
Source: CIA World Factbook (2019 est.) · regional dominance compiled by Glostats from censuses and surveys
Languages in Argentina
Spanish (official), Italian, English, German, French, indigenous (Quechua, Guarani, Mapudungun)
Regionally, Spanish is the most common language group across most of the 24 divisions.
Source: CIA World Factbook · regional dominance compiled by Glostats from censuses and surveys
Explore more
Sources: boundaries, cities, rivers and lakes from Natural Earth (public domain, 1:10m); elevation from the AWS Open Data terrain tiles (SRTM/GMTED); ethnic, religious and language shares from the CIA World Factbook; regional dominance compiled by Glostats from national censuses and surveys. Page generated 2026-10-19. More about our data.