+Celtic languages form a branch of the wider [Indo-European](/wiki/Indo-European) language family, distinct in their ancient roots. Once spoken across much of Europe, they now thrive mainly in the [British Isles](/wiki/British_Isles) and Brittany, carrying echoes of a rich heritage.
+## See also
+- [Gaelic](/wiki/Gaelic)
+- [Welsh](/wiki/Welsh)
+- [Irish](/wiki/Irish)
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