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

Kansas City may be over 5,000 miles from Buenos Aires, but this soccer nation famous for its slow-roasted meat won’t be short of that in its home away from home.

From The Wall Street Journal • Jun. 9, 2026

Whether Milei’s online attacks have directly influenced legislative votes is difficult to measure, said Lucas Romero, director of Synopsis Consultores, a Buenos Aires consulting firm.

From The Wall Street Journal • Jun. 5, 2026

Aviña’s work even caught the eye of pop-singer Joe Jonas, who wore an Argentina jersey featuring prayer hands and a message that read, “Protect me from envy” at a concert in Buenos Aires.

From Los Angeles Times • Jun. 5, 2026

He clinched his maiden ATP title on the clay courts of Buenos Aires in February 2025 before reaching the third round on his French Open debut, where he lost to Britain's Jack Draper.

From BBC • May 29, 2026

Once you reach Buenos Aires, take a hypertrain north, across Amazonia to the city of Caracas.

From "Scythe" by Neal Shusterman