Tumma, also known as Sangali, is an ethnic group located in the South Kordofan region of Sudan. The community resides in the area situated to the south of the Nuba Hills.
The Tumma people speak Katcha-Kadugli-Miri, which is classified as a Nilo-Saharan language. While the provided source identifies them primarily as an ethnic group within Sudan, they are distinct from other regional populations based on their specific linguistic and geographic characteristics.