Realmspace

Realmspace was the term used to describe the Torilian system and its surrounding environs within the Prime Material Plane.
Notable places within Realmspace is the planet Toril which is home to the continent Faerûn, where our heroes' journey began.
in addition, Realmspace consisted of wildspace (empty vacuum), a sun, eight planets and their satellites, and a variety of asteroids, comets, and nebulae.