Celtic Sea

The Celtic Sea (Killarne: Miærh Chelthí; Killian: Miairr Chalttai; Basque: Itsaso Zeltikoa; Irish: An Mhuir Cheilteach; Welsh: Y Môr Celtaidd; Cornish: An Mor Keltek; Breton: Ar Mor Keltiek; French: La mer Celtique) is a sea in the northeast Atlantic Ocean which is located southwest of Great Britain, south of Ireland, west and northwest of Continental Europe and east of Atlantica Alba. Its southeastern portion is the Bay of Biscay.