A Neverwinter Nights persistent world set upon an unique set of islands within the Faerun/Toril setting of D&D 3.0/3.5.
Discussion of the Forgotten Realms RPG. Unforgotten Realms of Faerun
Anphillia is perhaps one of the more unique locations in faerun, located in the sea of swords - almost due west of the city of Neverwinter itself.
A NWN2 Persistent World