Tuatha Dé Danann, in Irish mythology, are a supernatural race of deities and heroes associated with magic, wisdom, and the protection of Ireland. The name Tuatha Dé Danann translates to "the peoples of the goddess Danu," reflecting their mythological descent from the mother goddess Danu. Notable members include Lugh, Dagda, Brigid, and Nuada, who each wield unique powers and are often linked with craftsmanship, war, healing, and sovereignty.
The Tuatha Dé Danann are traditionally contrasted with the Fomorians, a race of chaotic, often malevolent beings. After the battle between them, the Tuatha Dé Danann emerged victorious and became the rulers of Ireland, blending their magic with governance over the land and its people. They are said to inhabit Tír na nÓg, the "Land of Youth," and other mystical places, intervening in mortal affairs and guiding humans through their wisdom and powers.
Though their worship declined with the Christianisation of Ireland, the Tuatha Dé Danann's myths have survived in folklore and literature, influencing modern fantasy portrayals of heroic, magical beings.