The Nine Worlds are the different worlds connected by the World Tree Yggdrasil.
- Asgard — the home of the Aesir.
- Vanaheim — the home of the Vanir.
- Alfheim — the home of the light elves.
- Midgard — the home of the humans.
- Jotunheim — the home of the giants.
- Nidavellir — the home of the dwarves.
- Niflheim — the world of cold.
- Muspellheim — the home of the fire giants and demons.
- Helheim — the home of Hel and the dishonorable dead.
- Valhalla — the Hall of the Slain, it spans the Nine Worlds and is home to the Einherjar (honored dead chosen by Odin) and Valkyries.
- Folkvanger — the Field of the Army or the People's Battlefield, home to the honored dead chosen and ruled over by Freya in Vanaheim.
- Svartalfheim — home of the svartalfs or Dark elves, not a world but mentioned by Blitz.
- Ginnungagap — The primordial void; a mist that obscures appearances.