He is a Greek myth or legend, he was probably never a real person or if he was the stories have been embelished over the years.
In the Underworld, realm of Hades.
Hades is a God, he is immortal. He does not die.
The Underworld.
here after
Hades lived in the underworld, over which he ruled. Hades does NOT live in Tartarus. He lives in the underworld, but only few people know specifically- Like the dead. :)
Hades is the God of the Underworld. He still resides there.
Poseidon had a palace on Olympus, but Hades did not.
The Underworld.
The Underworld.
No, Hades is King of, and dwells in, the Underworld.
Yes, Zeus does live on Mount Olympus and Hades does live in the Underworld, and controls it.
Upon the Earth, by the way, the Underworld existed before Hades.