Mariara is a city in Carabobo State, Venezuela, the shire town of the Diego Ibarra Municipality.

Europeans found Carib tribes when they arrived to this region in the middle of the 16th century.

Conquistador Vicente Díaz explored the area around 1555 and fought against some Native Americans around Mariara.

Bishop Mariano Martí founded Mariara officially on 3 December 1781.

The Ayundamiento de Valencia was created in 1810, comprising nine regions: Valencia, Los Guayos, Puerto Cabello, Ocumare de la Costa, Turmero, Guacara, Güigüe, Maracay and Mariara.