Ériu (or Erin, Eri) is a sovereign goddess of the Ireland in the Celtic Mythologie. Marry Mac Greine, wire of Ogma. It belonged to the Tuatha Dé Danann.

Goddess éponyme of Ireland, just like his/her sisters Banba and Fotla. It becomes the personification of the Irish nation which will take its name: Eire.

She asked the Gaëls which had just been able on the territory to promise to him, if they succeeded in being established there, to give its name to the country.

The “indicator” (or slips by), Amorgen ensured Eriu that Ireland would bear its name and this one prophesied in return which the country would belong definitively to Gaëls.

She offered a red goblet of beverage to the kings successive mortals to symbolize their union and the fructification of the ground.

Ériu also appears as a queen, wife of Elatha and mother of the hero Bres.