Celtic folklore encompasses the rich traditions, myths, and legends of the Celtic peoples, primarily from regions like Ireland, Scotland, Wales, and Brittany. It features a variety of supernatural beings, such as fairies, leprechauns, and selkies, who often interact with humans in both helpful and mischievous ways. These stories reflect the values, beliefs, and cultural identity of the Celtic communities. Many tales in Celtic folklore are rooted in nature, emphasizing the connection between humans and the natural world. Important themes include the changing seasons, the power of the elements, and the significance of sacred sites like standing stones and mounds. These narratives have been passed down through generations, preserving the unique heritage of the Celtic people.