Asgard (Earth-6531)

"And here we remain as the beacon of hope. Shining out across the stars. And though we have fallen into man's myths and legends, it was Asgard and its warriors that brought peace to the Nine Realms."

- - Odin

Asgard was a small flat, city-world, a part of the Nine Realms, and the homeworld of the Asgardians, widely regarded as a honorable people by the galaxy, such as the Green Lantern Corps.

History
Asgard is a small, flat, state-sized planetary body that is the homeworld of the Asgardians. It stays in the way of the Yggdrasil, and thus one of the Nine Realms.