Mashimoni is a part of Kibera slum in Nairobi. , Facing the Future School, (MAGOSO) and exist. Many of its residents are Luhyas and Kambas. It is part of Langata Constituency. Other parts of Kibera include Laini Saba, Lindi, , Kianda, Gatwekera, Soweto East, Kisumu Ndogo and Siranga.