Kiambu is a town in Central Province, Kenya. It is the capital of the Kiambu District, which bounds the northern border of Nairobi. Other proximate towns are Ruiru (east of Kiambu), Gatundu (NE), Limuru (NW) and Kabete (SW).
The town is surrounded by hilly Kikuyu farmland although is under urbanisation as Nairobi is growing fast and more people settle in neighbouring towns. Kiambu is seen as a future anchor to the capital city Nairobi which is undergoing rapid development with limited space for growth. Apart from central Kiambu, there are villages such as Ndumberi, Riabai, Kihingo, Ngegu, Kanunga and Kangoya among others.