+Castile is a historical region at the heart of [Spain](/wiki/spain), known for its high plateaus and emblematic castles. It emerged as a powerful kingdom during the [Reconquista](/wiki/reconquista), ultimately spearheading the unification of the Iberian Peninsula and shaping the modern Spanish nation. Its cultural and linguistic legacy remains profound.
+## See also
+- [Crown of Castile](/wiki/crown_of_castile)
+- [Spanish Empire](/wiki/spanish_empire)
+- [Ferdinand and Isabella](/wiki/ferdinand_and_isabella)
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