Southern Lands is another name for the Carthaki Empire, including all of the independent nations that Carthak conquered that were once part of the continent south of the Great Inland Sea formerly known as the Southern Empire.
The Carthaki Empire is a slaveholding empire that is ancient and powerful. It is a storehouse of learning, sophistication, and culture, and its university was once without a rival for teaching. The people of Carthak reflect the many lands and cultures that have been consumed by the empire, with colors ranging from white to brown and black.
The independent nations that were conquered by the Carthakis are Amar, Apal, Ekallatum, Shusin, Siraj, Yamut, and Zallara. They stretch all the way to the foot of the Roof of the World.