The city of Buenos Aires is formally divided in 48 barrios (neighborhoods), grouped into 15 comunas (communes), which are defined as "units of decentralized political and administrative management governed by designated residents".
Source:
Wikipedia
These entities have no special names, but are numbered, from Comuna 1 to Comuna 15. Although in 2016 it was proposed that every commune would get its own
emblem and flag, it seems that the project is not finished. For now, communes
have only generic logos. Valentin Poposki, 16 September 2020