ATLAS · NATIONAL CAPITALS · SPAIN
Capital of Spain
The capital of Spain is Madrid. The largest, Madrid, has around 3,506,730 residents in the city proper — a major capital. From Wikidata, snapshot 2026-06-23.
CAPITALMadrid
POPULATION3,506,730
NUMBER OF CAPITALS1
The capital
Madrid3,506,730 people
In context
Where Madridsits 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
1–5MMadrid is here
250k–1M
50–250k
<50k
Capitals of other countries
China · Bangladesh · Democratic Republic of the Congo · Japan · Russia · Indonesia · Peru · Egypt