What is Hades a resident of?

Hades is a resident of the Underworld in Greek mythology, which is the realm of the dead. It is often depicted as a dark and shadowy place where souls go after death. Hades, as the god of the Underworld, rules over this domain, overseeing the souls and ensuring the balance between life and death. The term "Hades" can also refer to the Underworld itself, not just the deity.