buenos_aires | leadername | horacio_rodríguez_larreta <sep> buenos aires ( or ; spanish pronunciation: [ˈbwenos ˈajɾes] (listen)), officially the autonomous city of buenos aires, is the capital and primate city of argentina the city is located on the western shore of the río de la plata, on south america's southeastern coast 'buenos aires' can be translated as 'fair winds' or 'good airs', but the former was the meaning intended by the founders in the 16th century, by the use of the original name 'real de nuestra señora santa maría del buen ayre', named after the madonna of bonaria in sardinia, italy buenos aires is classified as an alpha global city, according to the globalization and world cities research network (gawc) 2020 rankingthe city of buenos aires is neither part of buenos aires province nor the province's capital; rather, it is an autonomous district in 1880, after decades of political infighting, buenos aires was federalized and removed from buenos aires province 
the leader in buenos aires is horacio rodríguez larreta.no information