Buenos Aires

American  

[bwey-nuhs ahyuhr-iz, boh-nuhs, bwe-naws ahy-res] / ˈbweɪ nəs ˈaɪər ɪz, ˈboʊ nəs, ˈbwɛ nɔs ˈaɪ rɛs /

noun

1. a seaport in and the capital of Argentina, in the eastern part, on the Río de la Plata.

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Buenos Aires British  

/ ˈbwenos ˈaires, ˈbweɪnɒs ˈaɪrɪz /

noun

1. the capital of Argentina, a major port and industrial city on the Río de la Plata estuary: became capital in 1880; university (1821). Pop: 13 349 000 (2005 est)

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Buenos Aires Cultural  

1. Capital of Argentina and largest city in the country, located in eastern Argentina near Uruguay.

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One of the largest cities in Latin America, Buenos Aires is Argentina's chief port and financial, industrial, commercial, and social center.

La Prensa and La Nación are two of its daily newspapers, popular throughout the Spanish-speaking world.

Example Sentences

At the Olivos Clinic in Buenos Aires, doctors detected a blood clot on his brain, which was removed during an emergency operation.

From The Wall Street Journal • Apr. 16, 2026

The case has gripped Argentina, with some of his fans holding up signs outside of the Buenos Aires court demanding “Justice for God,” a reference to Maradona’s status as a demigod.

From The Wall Street Journal • Apr. 16, 2026

The football legend had been recovering at his home in Tigre, in Buenos Aires province, after successful surgery on a brain blood clot earlier that month.

From BBC • Apr. 14, 2026

The needy can also ask for clothing at 523 Amazor street in the Buenos Aires suburb of Fiorito, where the player dubbed Argentina's "Golden Boy" grew up in grinding poverty.

From Barron's • Apr. 14, 2026

As Fischer’s losses and draws mounted, it became clear that he was having the most disastrous tournament of his adult career, perhaps even worse than his Buenos Aires debacle.

From "Endgame" by Frank Brady