Though they dominate the landscape, the area covered by the hills themselves is less than a third of the total area of the Nuba Mountains the remainder of the land is extensive clay plains, some forested, some farmed. The mountains are rocky, with cultivable hillslopes and valleys. They rise some 500-1000 metres from the surrounding plains. The Nuba hills themselves rise sharply from the plains, sometimes in long ranges, sometimes as isolated massifs or single crags. The geography of the region is central to its history. Keiga, Tira,Ghulfan, Korongo are the best examples for such complexity. Some of the tribes mentioned above are big and compromise within themselves several smaller subgroups.
Moro, Ottoro, Heiban, Leira, Koalib, Shawai, Tira, Miri, Acheron, Fungor, Kau, Nyaro, Lukha, Masakin, Kuku Lumun, Tacho, Turuna, Lafofa, Kadugli, Talodi, Tegali, Tulushi, Keiga, Kanga, Katcha, Dilling,Nymang, Tima, Katla, Korongo, Tumtum,Temin, Um Danab, Lugori, Sabori, Tillo, Shatt, Affiti, Kaderu, Julud, Wali, Karko, Hugeirat, Dalokah, Daju,Ghulfan, Turug,Tingal, Kajaja,Dair,Chioro, Rashad, Tagoi, Tumali,Tumma, and Moreb. Nuba woman and her child from Nuba mountain, South Sudan The Nuba people are one of the African people with the most blackest phenotype and originators of wrestling game in the world. Estimates of the Nuba population vary widely the Sudanese government estimated that they numbered 3.7 million. Although the term is used to describe them as if they composed a single group, the Nuba are multiple distinct peoples and speak different languages.
Nuba is a generic name for the group of amalgamated peoples who inhabit the Nuba Mountains of South Kordofan state, in Sudan.