Agartha (sometimes Agartta, Agharti, Agarath,[1]Agarta, Agharta, or Agarttha) is a legendary kingdom that is said to be located on the inner surface of the Earth.[2] It is sometimes related to the belief in a hollow Earth[3] and is a popular subject in esotericism.[4]
^Grundhauser, Eric (21 October 2015). "Is the Earth Actually Hollow?". Atlas Obscura. Archived from the original on 19 May 2024. Retrieved 1 July 2024. This inner world is sometimes called or associated with Agartha, a legendary city at the Earth's core often tied to Eastern mysticism.