The region stretches nearly 55 kilometres (34 mi) from the lower Ngong hills area ("Kibiku") to the Mutarakwa Mai Mahiu road, and falls under the Kikuyu/Kabete and Limuru constituencies.
[1] After the Independent Electoral Boundaries Commission demarcation of 2010, the word Ndeiya refers to the ward itself which covers the areas of Ng'amba, Mungetho, Mirithu, Tiekunu, Thigio, Rwa Mburi, Githungucu, Rwacumari, Nderu, Nyataragi, Kiriri and Kiawanda.
[2] Some areas in Ndeiya region include Gikambura, Ruthigiti, Kamangu, Kianjagi, Migumoini, Kanyayo, Ng'amba, Renguti, Karabuta, Gatune, Rwanyaga, Nachu, Nguirobi, Gitutha, Nduthi, Kiriri, Kiawanda, Thigio, Githarane, Mung'etho, Nderu, Mirithu, Tiekunu, Kiandutu and Githunguchu.
Eliud Mathu, Freedom fighter Kung'u Karumba, current Limuru M.P., Hon Arch.
Kĩrĩrĩ, Gĩtutha, Tutu, Gatũũra, Thigio, Kĩawanda, Makutano, Nderu, Tiekunu, Bibirioni, Rwambũri, Nyataragi.
Ndeiya and Thigio are mentioned in Caroline Elkins' books Britain's Gulag: The Brutal End of Empire in Kenya and Imperial Reckoning: The Untold Story of Britain's Gulag as imprisonment camps where suspects were brutally tortured, sexually abused, starved, and over-worked and killed as part of the suppression efforts against the fight for independence.
Though they have not been gazetted as part of the sites and monuments in Kenya or recognized as centres of national or historical interests, the mass graves continue to attract history tourists and researchers.