ATLAS · NATIONAL CAPITALS · ARGENTINA
Capital of Argentina
The capital of Argentina is Buenos Aires. The largest, Buenos Aires, has around 3,121,707 residents in the city proper — a major capital. From Wikidata, snapshot 2026-06-23.
CAPITALBuenos Aires
POPULATION3,121,707
NUMBER OF CAPITALS1
The capital
Buenos Aires3,121,707 people
In context
Where Buenos Airessits on the world’s scale of capital sizes — from the micro-capitals of a few hundred to the mega-capitals of over ten million.
10M+
5–10M
1–5MBuenos Aires is here
250k–1M
50–250k
<50k
Capitals of other countries
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