Which modern countries were Spanish colonies in the 16th century?

Of these, the colonies of the Spaniards were Mexico and Peru. They first conquered Mexico in the 1520s, where the Aztec empire was located. This was done by the conquistadors of Hernan Cortez. In the 1530s-1570s, Peru was captured, where the Inca empire was located. The Incas were rich in gold. They were conquered by Francisco Pizarro.