Norse mythology's equivalent of Olympus

ASGARD

Home of Thor and Odin, this celestial realm is ruled by the Aesir gods.

In Norse mythology, Asgard is the home of the gods, much like Olympus in Greek mythology. The clue directly references this parallel, making "Asgard" the straightforward answer. There’s no wordplay here—just a simple comparison between the two mythological realms.