Gaelahesta

Gaelahesta (ガエラヘスタ, Gaerahesuta) is the holy city that does not belong to any of the 3 underground world great countries. In the center of the city, which is spread out in a circular shape, is where the Science Temple of the Gods' Age; Everastoanzetta, located. The War-Free Covenant prohibits any conflicts except within the castle of Everastoanzetta.