The city of Cabrero, has its origins in the progressive group of people, which established a station to serve the needs of the inhabitants of several rural properties in the area, and then the arrival of immigrants mainly from Middle East and Italy.

[3] As a commune, Cabrero is a third-level administrative division of Chile administered by a municipal council, headed by an alcalde who is directly elected every four years.

[1][2] Within the electoral divisions of Chile, Cabrero is represented in the Chamber of Deputies by Jorge Sabag (PDC) and Frank Sauerbaum (RN) as part of the 42nd electoral district, together with San Fabián, Ñiquén, San Carlos, San Nicolás, Ninhue, Quirihue, Cobquecura, Treguaco, Portezuelo, Coelemu, Ránquil, Quillón, Bulnes and Yumbel.

The commune is represented in the Senate by Alejandro Navarro Brain (MAS) and Hosain Sabag Castillo (PDC) as part of the 12th senatorial constituency (Biobío-Cordillera).

The Saltos del Laja are about 25 km south of the city of Cabrero.