Spanish America refers to the Spanish territories in the Americas during the Spanish colonization of the Americas. The term "Spanish America" was specifically used during the territories' imperial era between 15th and 19th centuries. To the end of its imperial rule, Spain called its overseas possessions in the Americas and the Philippines "The Indies", an enduring remnant of Columbus's notion that he had reached Asia by sailing west. When these territories reach a high level of importance, the crown established the Council of the Indies in 1524, following the conquest of the Aztec Empire, asserting permanent royal control over its possessions. Regions with dense indigenous populations and sources of mineral wealth attracting Spanish settlers became colonial centers, while those without suc