For 10 points, name this island near Wales whose native character Oisín is sometimes compared with the Welsh Taliesin
When going to war against the ruler of this location, a giant wades across the sea carrying harp- players on his back. While living in this location as its foreign queen, a woman is demoted to the rank of kitchen maid and trains a starling to fly across the sea to communicate with her brother. During an invasion of this location, its warriors manage to kill all but seven of the invaders' men, one of whom is mortally wounded by a poisoned spear. A ruler of this location is placated by being offered a breed of fine horses and a magical (*) cauldron that can bring back the dead. Manawydan travels to reconcile a king of this region named Matholwch after his marriage to the sister of Bran the Blessed, who dies in battle against this region's armies. For 10 points, name this island near Wales whose native character Oisín is sometimes compared with the Welsh Taliesin
When going to war against the ruler of this location, a giant wades across the sea carrying harp- players on his back.
Ireland [accept any of numerous reasonable alternative answers that point to Ireland/Emerald Isle/etc; accept more specific answers like the palace of Matholwch until "Matholwch" is read]