Rancagua conurbation, or Greater Rancagua, is a Chilean conurbation in the O'Higgins Region composed of Rancagua and some parts of Machalí and Gultro. It has an estimated population of 307,004 inhabitants for 2008.^{[citation needed]} Several villages are expected to join the conurbation in a near future, like Olivar Bajo (Olivar), Punta de Cortés (Rancagua) and La Compañia (Graneros).