The Freedom of Five Rings
:The World Beyond the Stars:
The World Beyond the Stars, the Ring of the Lost, it has many names. Based in a ring shape, this plane lies within the edges of the Astral Sea. A seamless ring, it extends out of sight into space from any point one stands. Enclosed by massive arcane barriers on each “edge” the geography is similar to what one would expect of Faerun or any other material plane only taken to the extreme. Forests stretch for entire continents, seas engulf nations-worth of territory; the vastness of everything is enthralling and bizarre. Trees grow to heights unseen in the Forgotten Realms, reefs extend from horizon to horizon, the world is a colossal and wild place.
The other key difference that a traveler hear will quickly notice is the lack of “standard” sentient races.