The culture of Uganda is made up of a diverse range of ethnic groups. Lake Kyoga forms the northern boundary for the Bantu-speaking peoples, who dominate much of east, central and southern Africa. In Uganda, they include the Baganda and several other tribes. In the north live the Lango and the Acholi, who speak Nilotic languages. To the east are the Iteso and Karamojong, who speak a Nilotic language, the Gishu are part of the Bantu and they live mainly on the slops of Mt Elgon; they speak lumasaba closely related to the Luhya of Kenya. A few Pygmies live isolated in the rainforests of western Uganda.