What is the realm of the Aesir gods called?

The realm of the Aesir gods is called Asgard.

The Old Norse name Ásgarðr means “enclosure of the gods” or “enclosure of the Æsir.” In mythological texts, it is described as the fortified home of the Æsir, the principal family of Norse gods that includes Odin, Thor and Frigg. Valhalla, Odin’s hall for honored dead warriors, is commonly placed within or associated with Asgard.

Asgard is often pictured as being connected to Midgard, the human world, by Bifröst, the rainbow bridge. However, surviving Norse sources do not provide one fully consistent map of the cosmos. Snorri Sturluson’s Prose Edda places Asgard centrally, while other passages and scholarly interpretations treat the gods’ realm less like a fixed physical location.

A common mix-up comes from modern fantasy and Marvel stories, where Asgard is presented as a single planet or city. In traditional Norse mythology, it is the divine realm or stronghold of the Æsir, distinct from Midgard, Jotunheim and Niflheim.