Mount Etna the southeast and the northeast of the volcanic cone. The name Mongibel is found in Arthurian Romance, as the name of the otherworld castle (or realm) of Morgan le Fay and her half-brother, King Arthur, localised at Etna, according to traditions concerning them derived from the stories told by the Breton "conteurs" who accompanied the Norman occupiers of Sicily. What were originally Welsh conceptions concerning a dwarf king of a paradisal, Celtic underworld became attached to the quasi-historic figure of Arthur as "Ruler of the Antipodes" and were then transplanted into a Sicilian milieu, by Bretons impressed by the already
Mount Etna The fertile volcanic soils support extensive agriculture, with vineyards and orchards spread across the lower slopes of the mountain and the broad Plain of Catania to the south. Due to its history of recent activity and nearby population, Mount Etna has been designated a Decade Volcano by the United Nations. In June 2013, it was added to the list of UNESCO World Heritage Sites. The word Etna is from the Greek αἴθω ("aithō"), meaning "I burn", through an iotacist pronunciation. In Classical Greek, it is called ("Aítnē"), a name given also to Catania and the city originally known as Inessa.