Underworld

Rulers: Hades and (for part of the year) Persephone.

When a person dies, they are ferried across the River Styx, by Charon, to the Underworld. There, the await Hades' decision and to be sent either to Tartarus or the Elysian Fields. The only time the Underworld is seen on the show is in episode 1.22 - A Lady in Hades. Not wanting to see Eurydice suffer an eternity in Tartarus for being a bacchae, Hercules, accompanied by Jason, journeys to the Underworld in the hopes of being able to negotiate with Hades.