Since · 1580 CE

A city dossier

Buenos Aires.

In Argentina Capital Federal

Buenos Aires is the capital of Argentina, often called the 'Paris of South America' for its grand 19th-century architecture, the colourful La Boca neighbourhood, the tango-rich nightlife of San Telmo, and the Recoleta cemetery.

Population
3M
Area
203 km²
Founded
1580 CE
Region
Capital Federal
Coordinates
34.6037°S · 58.3816°W
04 · About

On the city.

Buenos Aires is the capital of Argentina, often called the 'Paris of South America' for its grand 19th-century architecture, the colourful La Boca neighbourhood, the tango-rich nightlife of San Telmo, and the Recoleta cemetery.

Location, geography & climate

Buenos Aires sits in the Capital Federal region of Argentina, at approximately -34.6°, -58.38°. The metropolitan area covers around 203 km² and falls within a sub-tropical climate band, which shapes the city’s seasons, architecture and street life. Local geography — coastline, river basin, hills or plain — typically dictates the layout of historic neighbourhoods, the route of public transport and the choice of building materials seen across Buenos Aires.

History & founding

Buenos Aires was founded around 1580 CE and has grown into one of the principal urban centres of Argentina. Successive waves of migration, trade, conquest and reconstruction have layered the city’s street pattern: older quarters often follow medieval, colonial or pre-industrial street plans, while later expansion reaches outward in planned grids, ring roads or transit corridors. Reading the city’s map is, in many ways, reading its history.

Districts, character & architecture

Like every great city, Buenos Aires is built from neighbourhoods rather than blocks. A historic core typically anchors civic and religious landmarks; commercial districts cluster around transport hubs; residential areas radiate outward at different densities and price points. Architecture across Buenos Aires reflects the eras of greatest investment — sometimes a single decade dominates the skyline, sometimes a thousand years of building history sits visible on a single street.

Population, economy & daily life

The metropolitan population of Buenos Aires is around 3M. Major employment sectors usually include services, public administration, retail, hospitality and (where applicable) finance, technology, manufacturing or maritime industry. Day-to-day life moves to the rhythm of commuter flows, school timetables, market days and the city’s major stadiums, theatres and venues.

Culture, food & nightlife

Cultural life in Buenos Aires plays out across museums, galleries, music venues, places of worship, sports arenas and an outdoor calendar of festivals and parades. Cuisine usually reflects both regional traditions and the influence of immigrant communities, with everything from family-run cafés to fine-dining institutions and street-food markets. Nightlife clusters in identifiable districts and tends to peak at weekends and during major celebrations.

Getting around & visiting

Buenos Aires is best understood on foot in its older districts, with public transport — metros, trams, buses or commuter rail — bridging the longer distances. Cycling is increasingly common in many cities of comparable size. Visitors typically base themselves near a transport hub to reach landmarks, museums and dining quickly. Time of year matters: peak tourist season tracks the city’s climate, with shoulder seasons often offering the best balance of weather, opening hours and crowd levels.

At a glance

Sort or filter the table to compare values for the city.

Field Value Note
Country Argentina
Region Capital Federal within country
Population 3M metropolitan area
Area 203 km²
Founded 1580 CE
Latitude -34.6037 degrees
Longitude -58.3816 degrees
Climate band sub-tropical derived from latitude

Did you know?

Buenos Aires has more bookstores per capita than any other city in the world — about 25 per 100,000 residents.

Frequently asked questions

Where is Buenos Aires?

Buenos Aires is located in Argentina, in the Capital Federal region. The city sits at coordinates -34.6037°N, -58.3816°E.

What is the population of Buenos Aires?

Buenos Aires has a population of approximately 3M, with a density of around 14,778/km².

When was Buenos Aires founded?

Buenos Aires was founded in 1580 CE, making it about 4 centuries old.

How big is Buenos Aires?

Buenos Aires covers an area of approximately 203 km².

05 · Essentials

Things to know.

Practical information pulled from country-level data — useful before you travel.

Languages
Spanish
Currency
Argentine Peso (ARS) · $
Time zone
ART (UTC-3)
Calling
+54
Plug type
C / I
Drives on
Right
Climate
Subtropical
Best season
Nov – Mar (warm)
Density
14,778/km²
Age
about 4 centuries old
Dispatch 13 · MAY · 26

A small thing, worth noting.

Buenos Aires has more bookstores per capita than any other city in the world — about 25 per 100,000 residents.

— filed from Buenos Aires

Reference

Knowing Buenos Aires

Practical, computed reference: where the city sits on the planet, what to expect from the climate, and how it connects to the rest of the world.

Geography & climate of Buenos Aires

Hemisphere
Southern hemisphere
Latitude
-34.6037°
Longitude
-58.3816°
Time-zone band
UTC−04
Daylight at June solstice
9h 41m
Daylight at December solstice
14h 19m

Subtropical — warm to hot summers, mild winters, and a long growing season. Snow is rare or unknown.

When to visit Buenos Aires

October to early December and March to April offer mild weather. Summer (December–February) is hottest and busiest; winter is quieter but cold.

This is a climate-band heuristic — the best time for any specific traveller depends on what they want to do (festivals, beach, mountains). Treat as a starting point.

How far is Buenos Aires from the major hubs?

Great-circle distances — the shortest distance over the surface of the Earth, used by long-haul aircraft. Actual flight time is roughly distance ÷ 800 km/h plus an hour or two for the climb, descent, and headwinds.

  • New York 8,526 km / 5,298 mi
  • London 11,128 km / 6,915 mi
  • Sydney 11,801 km / 7,333 mi
  • Dubai 13,646 km / 8,479 mi
  • Singapore 15,882 km / 9,869 mi
  • Tokyo 18,373 km / 11,416 mi

Cities near Buenos Aires

Other cities in the encyclopedia, sorted by great-circle distance. Some are realistic day trips; others are regional context. Always check actual road or rail journey times — they differ from straight-line distance by a lot in mountainous or island geography.

The antipode of Buenos Aires

If you drilled straight through the centre of the Earth from Buenos Aires, you'd come out at 34.6037°, 121.6184°, in Asia — coordinates 34.6037°, 121.6184°.

About 71% of the planet is ocean, so most antipodes land in the sea — a little geographic curiosity for the next pub quiz.