A vast, arcaded 17th-century square that's hosted royal coronations, bullfights, trials of the Spanish Inquisition, and now, mostly, tourists.
Built in the early 1600s under King Philip III (whose equestrian statue stands at its centre), Plaza Mayor has been the backdrop for centuries of Spanish public life — markets, executions, bullfights, and royal proclamations. The uniform, symmetrical facades and the arcaded walkways around its edge are the architectural signature to look for.
Simply walking through it, ideally at different times of day — early morning when it's near-empty has a completely different character to evening, when street performers and crowds fill it. The Casa de la Panadería, with its painted facade, is the square's most striking single building.
Restaurants directly on the square are priced for the view and footfall, not for quality — a near-universal rule for grand tourist squares in any European capital. Walk two minutes into La Latina instead; see our tapas guide.
If you're visiting in December, Plaza Mayor hosts Madrid's main Christmas market — genuinely worth seeing even if you're not buying anything.