The Biobío Region (Spanish: Región del Biobío [ˌbi.oˈβi.o]) is one of Chile's sixteen regions (first-order administrative divisions). With a population of 1.5 million, thus being the third most populated region in Chile, it is divided into three provinces: Arauco, Biobío and Concepción. The latter contains its capital and largest city, Concepción, a major city and metro area in the country. Los Ángeles, capital of the Biobío Province, is another important city in the region.
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Arauco Province in the context of Cautín Province
Cautín Province (Spanish: Provincia de Cautín) is one of two provinces in the southern Chilean region of La Araucanía (IX), bounded on the north by Arauco and Malleco provinces, on the east by Argentina, on the south by Valdivia Province, and on the west by the Pacific Ocean. Its population at the 2012 census was of 692,582. The most important communes are Temuco, Villarrica, Padre Las Casas, and Nueva Imperial. Cattle, forestry, and agriculture make up most of Cautin's economy. Its climate is humid, rainy in winter, and generally warm in summer.
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