The Iberian Peninsula , also known as Iberia, is a peninsula in the southwest corner of Europe, defining the westernmost edge of Eurasia. It is principally divided between Spain and Portugal, comprising most of their territory, as well as a small area of Southern France, Andorra and the British overseas territory of Gibraltar. With an area of approximately 583,254 square kilometres (225,196 sq mi), and a population of roughly 53 million, it is the second largest European peninsula by area, after the Scandinavian Peninsula.