Realmspace
- The Sun: Star.
- Anadia: Terrestrial planet, largely badlands. Run by civilized halflings that keep the barbaric humans on reservations for their own protection.
- Coliar: Gas giant with many earth and water islands on the interior, populated primarily by lizard men, aarakocra and dragons.
- Abeir-Toril: Terrestrial body home to the Forgotten Realms campaign setting. Has one moon, Selûne and a cluster of trojan asteroids, Tears of Selûne, which follow Selûne's orbit.
- Karpri: Water planet with two icecaps and an impenetrable equatorial seaweed jungle. Populated by primitive nomads.
- Chandos: Another water planet with thousands of asteroids floating underneath the surface. Also populated by primitive nomads
- Glyth: Terrestrial planet, once-Earthlike with an advanced civilization, now with a foul atmosphere. The remaining humans are hunted by the planet's subterranean rulers, the mind flayers.
- Garden: Spherical cluster of asteroids linked by a common atmosphere and the roots of a single enormous plant.
- H'Catha: Flat, circular disk of water. Populated by beholders.
Read more about this topic: List Of Spelljammer Crystal Spheres