Santa Cruz de la Sierra is the largest city in Bolivia and the capital of the Santa Cruz department. Situated on the Pirai River in the eastern Tropical Lowlands of Bolivia, the Santa Cruz de la Sierra Metropolitan Region is the most populous urban agglomeration in Bolivia with an estimated of 2.4 million population in 2020, it is formed by a conurbation of seven Santa Cruz municipalities: Santa Cruz de la Sierra, La Guardia, Warnes, Cotoca, El Torno, Porongo, and Montero.
