The term "Celtic mythology" generally refers to the body of legends, stories, and beliefs of the Celtic peoples, primarily from regions such as Ireland, Wales, Scotland, and Brittany. This mythology includes a diverse array of deities, heroes, and supernatural beings, often intertwined with the natural world. Key figures include Cernunnos, the horned god, and Brigid, the goddess of fertility and poetry. It also reflects the rich oral tradition of the Celts, emphasizing themes of heroism, death, and the Otherworld, illustrating their spiritual beliefs and cultural identity.