It is located across the sea (Mag Mell) or beneath the earth (the Sídhe ).
In the Welsh tradition, the figures are less "god-like" and more "enchanted." Characters like Rhiannon and Pwyll bridge the gap between myth and folklore. The Mythology of All Races. Volume III. Celtic....
In the Irish tradition, these are the "People of the Goddess Danu." They represent an idealized, magical race that inhabited Ireland before humans. It is located across the sea (Mag Mell)
MacCulloch organizes the vast Celtic pantheon by focusing on regional cycles. He argues that while there is no single "Celtic Bible," there are recurring archetypes across different cultures: The Mythology of All Races. Volume III. Celtic....