Avalon (probably from the Celtic word abal: apple; see Etymology below) is a legendary island featured in the Arthurian legend, famous for its beautiful apples. It first appears in Geoffrey of Monmouth's 1136 pseudohistorical account Historia Regum Britanniae ("The History of the Kings of Britain") as the place where King Arthur is taken to recover from his wounds after his last battle at Camlann, and where his sword Caliburn (Excalibur) was forged. The concept of such an "Isle of the Blessed" has parallels in other Indo-European mythology, in particular the Irish Tír na nÓg and the Greek Hesperides, the latter also noted for its apples.
Geoffrey of Monmouth called it in Latin Insula Avallonis in the Historia. In the later Vita Merlini he called it Insula Pomorum the "isle of apples".