Buenos Aires Ta kasan ce wata birni ne, da ke a yankin birnin Buenos Aires, a ƙasar Argentina. Shi ne babban birnin ƙasar Argentina. Bisa ga ƙidayar jama'a a shekara ta 2010, Buenos Aires tana da yawan jama'a 13,591,863. An gina birnin Buenos Aires a shekara ta 1536. Wikimedia Commons on Buenos Aires Wannan Muƙalar guntuwa ce: tana buƙatar a inganta ta, kuna iya gyara ta.