Arauco

Arauco, originally from Mapudungun rag ko meaning “clayey water,” or Araucanía may refer to:

Places

 * Araucanía Region, an administrative region of Chile, the heartland of the historic region of Araucania
 * Araucanía (historic region), a historical region of Central Chile also called Arauco
 * Arauco, Chile, a city and municipality in Arauco Province, Chile
 * Arauco Peninsula
 * Arauco Province, a province in the Biobío Region of Chile
 * Arauco Department, Chile
 * Arauco, La Rioja, Argentina
 * Arauco Department, La Rioja, an administrative entity in La Rioja Province, Argentina
 * Gulf of Arauco, a body of water on the coast of Chile
 * Araucanian Islands (disambiguation)

Biology

 * Arauco (moth)
 * Araucania chilensis (a sapygid wasp)
 * Araucania (a braconid wasp genus)
 * Araucaria araucana, the Arauco pine

Other uses

 * Celulosa Arauco y Constitución (CELCO), a wood pulp and forestry enterprise in Chile