Seemingly a desert wasteland, the only bits that are habitable are the savannah to the north, and a bit of jungle and woodland to the south. But of course, hidden amongst the sands, for those that can find them.
If you choose Susma as your homeland, you gain one of the following benefits, based upon if your character lived in settlements, cities/towns, or if you were more of a countryside/village dweller.
Urban Susma: In a desert nation, your skill to extract value from all that you can, trading and bartering to insure you get all you can. Its the culture of survival. Living here all your life you learned a few things. You gain 3 advances in the Haggle Skill.
Rural Susma: Living out in a desert land, wandering the sands, it is so important to survival to know and be capable of reading and navigating the land, knowing how to find and get to the few oasis. Living this way, as a nomad, has blessed you with a head start on mastering such skills. Gain 3 advances to Navigation skill