San Buenaventura Municipality is the second municipal section of the Abel Iturralde Province located in the La Paz Department in Bolivia. Its seat is San Buenaventura

Abel Iturralde is one of the twenty provinces of the Bolivian La Paz Department. It is situated in its northern part. Its name honors Abel Iturralde Palacios, a Bolivian politician. Madidi National Park is partially in this province.