The region was inhabited by the Hadendoa and the Bisharin, who were known for their bravery and their camels. They were a nomadic people, moving with their herds across the desert. The Hadendoa were particularly fierce warriors, and they were known for their raids on caravans and settlements. The Bisharin were also skilled warriors, and they were known for their horsemanship. The two tribes were often at war with each other, but they would sometimes unite against a common enemy.