The VIII Region of Biobío, or simply Biobío region, is one of the fifteen regions in which the Republic of Chile is divided. Its capital is Concepción.
The climate of this region is Mediterranean with similar seasons, however to the south, the Mediterranean influence changes to oceanic. Generally rainy weather, reaching more than 2400 mm of concentrated rainfall in winter. Towards the premountain range, the cold climate presents a high thermal oscillation, the snow season lasts a lot, with ski and thermal water meters. In the coastal sector a Mediterranean climate with oceanic influence predominates.
Strong volcanic activity such as the Callaqui volcano (3164 masl), the Antuco volcano (2979 masl), the Chillán volcano (3212 masl) and the Copahue volcano (2965 masl).