The Widow Harun
The Shining South
This is the term for the southern tier of nations on the coast of Faerun facing Zakhara, comprising The Golden Water, Luiren, Dambrath, Halruaa, and The Shaar. The various nations of Chult are culturally distinct and not generally included.
The Shining South is described in much more detail in the Forgotten Realms core books and supplements. Please consult these if you wish to learn more.