The Region of Libertador General Bernardo O'Higgins, whose capital is Rancagua, is composed of three provinces and 33 communes:
- Province of Cachapoal, Districts of Rancagua, Graneros, Mostazal, Codegua, Machali, Olivar, Requínoa, Rengo, Malloa, Quinta de Tilcoco, San Vicente, Pichidegua, Peumo, Coltauco, Coinco, Doñihue and Las Cabras.
The CGR has an office in each region of the country, which are headed by a Regional Comptroller. The oversight of the regional offices covers centralized and decentralized services and agencies of the State Administration, which include the regional government, municipalities and regional state enterprises created by law.
- Province of Colchagua, Districts of San Fernando, Chimbarongo, Placilla, Nancagua, Chépica, Santa Cruz, Lolol, Pumanque, Palmilla and Peralillo..
-Province of Cardenal Caro, Districts of Pichilemu, Navidad, Litueche, La Estrella, Marchihue and Paredones.