+The Kingdom of Aragon was a significant medieval realm on the [Iberia](/wiki/iberia), centered in what is now [Aragon](/wiki/aragon). It grew into a powerful maritime force, forming the larger Crown of Aragon and playing a key role in Mediterranean history before its union with Castile.
+## See also
+- [Crown of Aragon](/wiki/crown_of_aragon)
+- [Castile](/wiki/castile)
+- [Catalonia](/wiki/catalonia)
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