In ancient Greek religion, Elysium was a paradise associated with heroes and the blessed dead. It is also called the Elysian Fields in later English usage.
Early Greek poetry presents Elysium as a distant, pleasant place where favored figures could live after death. Homer’s Odyssey associates it with a painless existence for people specially favored by the gods. Later writers broadened the idea so that virtuous or heroic souls could reach it.
Elysium was not the same as Tartarus, the deep prison or punishment region associated with defeated divine enemies and especially wicked figures. Nor was it simply another name for Hades, which could mean both the god of the dead and the general realm of the deceased.
The concept changed over time. In some later Greek and Roman accounts, the Isles of the Blessed became closely related to Elysium, and philosophical traditions connected postmortem reward with moral character. These variations explain why descriptions differ among classical authors.