Uiginn
Uiginn is a term used in Irish mythology to refer to the Otherworld, a realm parallel to the human world. It is one of the two main divisions of the Irish afterlife, the other being Tir na nÓg, the land of the young. Uiginn is often associated with the realm of the dead, where the souls of the departed reside. It is ruled by the goddess of the same name, who is sometimes identified with the goddess Danu.
The realm of Uiginn is often described as a land of eternal winter, with a perpetual mist
The boundary between the world of the living and Uiginn is known as the Sidhe Mound or
Uiginn is a complex and multifaceted concept in Irish mythology, reflecting the ancient Irish people's understanding