Celts From Wikipedia, the free encyclopedia Jump to navigationJump to search This article is about the ancient and medieval peoples of Europe. For Celts of the present day, see Celts (modern). For other uses, see Celt (disambiguation). Diachronic distribution of Celtic peoples: Core Hallstatt territory, by the sixth century BC Maximal Celtic expansion by 275 BC Lusitanian area of Iberia where Ce..