Buenos Aires Province – Wikipedia

Buenos Aires (Spanish pronunciation: [ˈbwenos ˈaiɾes], Provincia de Buenos Aires; English: “good airs”) is the largest and most populous Argentinian province.It takes the name from the city of Buenos Aires, which used to be part of the province and the provincial capital until it was federalized in 1880. Since then, in spite of bearing the same name, the province does not include the …

: https://en.wikipedia.org/wiki/Buenos_Aires_Province