Demonyms
The inhabitants of the city are called "porteños" ("people of the port") to acknowledge the centrality of the port of Buenos Aires in the development of the city and the nation.
Since Buenos Aires's federalisation in 1880, the city proper includes the former towns of Belgrano and Flores; the resulting city was separated from Buenos Aires province.
Residents of Buenos Aires province are called "bonaerenses".
Most of the population of Greater Buenos Aires lives in the suburbs, which are part of the province. Depending on context, they may be called bonaerenses or (more commonly) by the demonym of their town (e.g. quilmeño to refer to a person from Quilmes). Suburbanites may be sometimes referred to as "porteños" by those unfamiliar with the details.
Read more about this topic: Names Of Buenos Aires