The Kingdom of Spain, also referred to as Spain, has various synonyms that can be used interchangeably to refer to the nation. One common synonym is the Kingdom of Iberia, a name that stems from the Iberian Peninsula on which Spain is located. Another synonym is the Hispanic Monarchy, which harkens back to Spain's rich history as a dominant world power during the 16th century. Other synonyms for Spain include Hesperia, derived from an ancient Greek term for the western Mediterranean, and the land of the Conquistadors, a reference to Spain's exploratory expeditions during the Age of Discovery.