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

See Examples For:

Buenos Aires

She lives in Buenos Aires but wants to attend college in the U.S.

From The Wall Street Journal ● Sep. 14, 2026

Times staff writer Ana Ceballos in Washington and special correspondents Andrés D’Alessandro in Buenos Aires and Cecilia Sánchez Vidal in Mexico City contributed to this report.

From Los Angeles Times ● Sep. 13, 2026

The foundation stone for the Ushuaia base was laid in 2022 by the previous center-left government in Buenos Aires, but work has since stalled.

From Barron's ● Sep. 12, 2026

During a trip home to Argentina, he met Evelyn Penelope Jane Rose, known as Penny, an Englishwoman who was working as a teacher in a British-style boarding school in Buenos Aires.

From The Wall Street Journal ● Sep. 8, 2026

Darwin has hunted rheas in Patagonia, studied owls outside Buenos Aires, and scaled a waterfall in Tahiti.

From "All the Light We Cannot See" by Anthony Doerr