In Greek mythology, Hades was a place under the earth where people went after they died. = the underworld. the land of the dead in the stories of ancient Greece = hell. Greek god of the underworld. He was also known as Pluto; his Roman equivalent was Dis. Hades was the son of the Titans Rhea and Cronus and the brother of Zeus and Poseidon. His queen was Persephone, the daughter of Demeter, whom he kidnapped from earth and carried off to the underworld. Stern and pitiless, unmoved by prayer or sacrifice, he presided over the trial and punishment of the wicked after death. His name was also sometimes used to designate the dwelling place of the dead, and it later became a synonym for Hell
The god of the underworld and ruler of the dead, son of Cronus and Rhea, brother to Zeus, Poseidon; alternatively, the underworld, the domain of Hades, by transference from its god