es la mayor

is the largest

→ ser
phrase Rare #30,714
is the largest Used before a feminine noun to say that something is the largest or greatest. The masculine form is “es el mayor.”
SP: Madrid es la mayor ciudad de España.
EN: Madrid is the largest city in Spain.

Ahmedabad es la mayor ciudad de Gujarat.

Ahmedabad is the largest city in Gujarat.

El petróleo es la mayor fuente de ingreso de Argelia.

Oil is Algeria’s largest source of income.

Es la mayor construcción de la ciudad.

It is the largest building in the city.

Ese edificio es la mayor barrera para que el experimento no se salga de ahí.

That building is the biggest barrier preventing the experiment from getting out of its confines.

— El jardín de los pecadores: Paradigma paradoja (Paradoja espiral) (2008)

Amar y ser amado es la mayor de las felicidades en esta vida.

To love and be loved is the greatest happiness in this life.

Mary es la mayor experta del país en el conflicto en Siria.

Mary is the country's leading expert on the conflict in Syria.

Se dice que Japón es la mayor potencia económica del mundo.

Japan is said to be the world's greatest economic power.

Fernando es la mayor prueba de ello.

Fernando is the greatest proof of that.

— El agente secreto (2025)

Ella es la mayor de las dos hermanas.

She is the older of the two sisters.