+The **Castilian language** is a [Romance](/wiki/romance_languages) tongue, originating in the medieval Kingdom of [Castile](/wiki/castile) on the Iberian Peninsula. It is the historical dialect from which modern [Spanish](/wiki/spanish_language) largely developed, embodying a rich cultural legacy.
+## See also
+- [Spanish](/wiki/spanish_language)
+- [Romance](/wiki/romance_languages)
+- [Iberian Peninsula](/wiki/iberian_peninsula)
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