Celtic Christianity refers to the early form of Christianity that developed in the Celtic regions of Britain and Ireland during the 5th to 12th centuries. It is characterized by its unique practices, art, and spirituality, which were influenced by both Christian teachings and Celtic traditions. This form of Christianity emphasized a deep connection to nature, community, and monastic life. Notable figures include St. Patrick, who played a significant role in spreading Christianity in Ireland, and St. Columba, who founded the famous monastery on Iona. Celtic Christianity is often celebrated for its rich heritage and distinctive cultural expressions.