Athi River (town): History
Athi River, also known as Mavoko, was carved off the Nairobi County Council in 1963, when the latter was disbanded. Mavoko municipality has four wards (Athi River, Mlolongo /Syokimau, Kinanie/Mathatani,Muthwani). All these wards belong to Mavoko constituency, which has a total of four wards. The remaining four wards are within Masaku County Council.