Perquenco is a town and commune in the Cautín Province of southern Chile's Araucanía Region. The town was declared capital of the unrecognized Kingdom of Araucanía and Patagonia by Orélie-Antoine de Tounens, but soon after it was occupied by Cornelio Saavedra Rodríguez who was in charge of the Chilean occupation of the Araucanía.