sentences:  Today one of the slums of the city of Corrientes is still known as "Camba Cuá", from the Guarani "kamba kua", meaning "cave of the Blacks".Although most of the gauchos were mestizos (of mixed indigenous and Spanish ancestry), some were also of African ancestry.In 1806-1807 the city of Buenos Aires had 15,708 Europeans, 347 indigenous and cholos (mestizos), and 6,650 Africans and mulattoes, while in 1810 there were 22,793 whites, 9,615 Africans and mulattoes, and only 150 indigenous and cholos.