Agartha (sometimes Agartta, Agharti, Agarath, Agarta or Agarttha) is a legendary kingdom that is said to be located in the Earth's core, according to hollow Earth theory.
These terms or variations upon them may also be used to refer to:
- Agharta, an album by Miles Davis named for the mythical city
- Agharta, a manga series by Takaharu Matsumoto
- Ergenekon (allegation), a Turkish coup trial also referred to as "Ergenekon/Agartha"
- "Argatha", a song by the Sword from the album High Country
- "Agartha", a single for flute and electronic sounds by Juan María Solare
- Agharta: The Hollow Earth, a 2000 video game.
- “Aghartha,” a song from the 2009 Sunn O))) album Monoliths & Dimensions