Proper noun
(Greek mythology) the land of sunshine and plenty, beyond the northern wind, home to the hyperboreans, a race of giants
The extreme north of the Earth; an area in a northerly region.
Source: en.wiktionary.orgHyperborea, which is a lost continent of the Miocene period, and Poseidonis, which is a remnant of Atlantis, are much the same, with a magical culture characterized by bizarreness, cruelty, death and postmortem horrors. Source: Internet
There follows a survey of the lost civilisations of Hyperborea and Lemuria as well as Atlantis, accompanied by much spiritualist lore. Source: Internet