 This is mainly because mainland Chile ended in La Frontera until the occupation of Araucanía (1861–1883).Similarly, the Southern Chile wine region is close to the geographic center of the country, encompassing wine-growing areas in the Bío Bío Region and Araucanía Region.Southern Chile may also refer to the Zona Sur region between Biobío and Chacao Channel, which is often also called the Chilean Lake District.