The Kingdom of Aragon (, , , ) was a medieval and early modern kingdom in the Iberian Peninsula, corresponding to the modern-day autonomous community of Aragon, in Spain. It should not be confused with the larger Crown of Aragon, that also included other territories — the County of Barcelona and other Catalan Counties, the Kingdom of Valencia, the Kingdom of Majorca, and other possessions that are now part of France, Italy, and Greece — that were also under the rule of the King of Aragon, but were administered separately from the Kingdom of Aragon.