A vast, mist-shrouded ancient forest rising like the world-tree
An atlas of the world-tree

Nine Realms

Nine realms hang from the branches and roots of Yggdrasil, from the gods' high halls to the misted dead coiled below.

Old Norse Níu heimar ("nine worlds")Meaning The nine worlds bound to the world-treeRealms 9

The nine realms of Norse myth hang from the branches and roots of Yggdrasil, from the gods' high halls to the misted dead coiled below.

At a glance

Old Norse
Níu heimar ("nine worlds")
Meaning
The nine worlds bound to the world-tree
Realms
9
World-tree
Yggdrasil
Bridge
Bifrost, linking Midgard to Asgard
Structure
Set among Yggdrasil's three roots and its branches
First named
Voluspa, stanza 2
Sources
Poetic Edda, Prose Edda

Norse cosmology counts nine realms, all bound together by the branches and roots of Yggdrasil: Asgard, Vanaheim, Alfheim, Midgard, Jotunheim, Muspelheim, Niflheim, Svartalfheim, and Helheim. This page is the atlas entry point, a brief survey of all nine before you follow any single one deeper.

Nine worlds on one tree

The count of nine comes from Voluspa's second stanza, where a seeress recalls nine worlds she remembers from before the beginning of things. The Prose Edda later fills most of these in by name, tying each one to a branch or root of Yggdrasil, the immense ash that gives every realm its place. Bifrost, the burning bridge, is the one crossing built specifically to join two of them, Midgard and Asgard, though most of the nine are reached by other paths entirely.

The nine realms at a glance

Each realm has its own inhabitants and its own character within the wider structure.

RealmOld NorseInhabitants
AsgardÁsgarðrThe Aesir gods, led by Odin
VanaheimVanaheimrThe Vanir gods, tied to fertility and the sea
AlfheimÁlfheimrThe light elves, the Ljósálfar
MidgardMiðgarðrHumans
JotunheimJötunheimrThe giants, the jötnar
MuspelheimMúspellsheimrThe fire-giants, ruled by Surt
NiflheimNiflheimrPrimordial ice and mist, feeding Hvergelmir's rivers
SvartalfheimSvartálfaheimrThe dwarves
HelheimHelThe dead who die of sickness or old age, ruled by Hel

The realm of gods and their kin

Asgard is the high fortress of the Aesir, Odin's own realm and the seat of Valhalla, reached from Midgard only across Bifrost. Nearby stand two smaller realms tied to it by marriage and gift: Vanaheim, home of the Vanir gods such as Njord, Freyr, and Freyja before they joined the Aesir, and Alfheim, given to Freyr as a gift and home to the luminous light elves.

Midgard and the giants' wilds

Midgard, the realm of humans, sits at the center of the nine worlds, ringed by an ocean where the serpent Jormungandr grips its own tail. Beyond its borders lies Jotunheim, a cold and mountainous wilderness home to the jötnar, the giants who test the gods constantly and are, through marriage, sometimes their kin.

Common questions

The realms, roots, and beings of the Norse world - answered.

What are the nine realms?

The nine realms are the nine worlds of Norse cosmology, all bound to the branches and roots of Yggdrasil: Asgard, Vanaheim, Alfheim, Midgard, Jotunheim, Muspelheim, Niflheim, Svartalfheim, and Helheim. Together they hold gods, humans, giants, elves, dwarves, and the dead.

Where does the idea of nine realms come from?

The count comes chiefly from the second stanza of Voluspa, in which a seeress says she remembers nine worlds and nine giantesses beneath the earth, before the world's beginning. The Prose Edda draws on this and other poems to fill in most of the nine by name.

Are the nine realms physical places or symbolic layers?

The medieval sources treat them as real locations reached by real journeys, along Bifrost or through Yggdrasil's roots, yet each realm also carries a plain symbolic role: fire and ice as origin, Midgard as the human middle, Helheim as the cold country of the ordinary dead.

How are the nine realms arranged around Yggdrasil?

Broadly, the sources set Asgard, Vanaheim, and Alfheim in the upper world, Midgard and Jotunheim at the middle, and Muspelheim, Niflheim, Svartalfheim, and Helheim in the lower reaches near Yggdrasil's three roots, though the poems are not perfectly systematic about it.

Is Valhalla one of the nine realms?

No. [Valhalla](/blog/cosmology/valhalla/) is Odin's hall within Asgard, not a realm of its own, and it is not counted among the nine. The same goes for Ginnungagap, the void that came before any of the nine realms existed.

Which realm should I explore first?

Start with [Yggdrasil](/blog/cosmology/yggdrasil/), the tree that holds every realm together, then move outward to [Asgard](/blog/cosmology/asgard/) and [Midgard](/blog/cosmology/midgard/), the two realms most gods and readers begin with, before working toward the realms of fire, ice, and the dead.

What happens to the nine realms at Ragnarok?

Voluspa describes Ragnarok as the moment nearly every realm is touched by war and ruin: Bifrost breaks, fire spreads from Muspelheim, the sea rises over the land, and most of the gods and monsters die in single combats. Afterward a new, green world rises from the water to be resettled.

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