Athi River is a town outside Nairobi, Kenya in Eastern Province. It is also known as Mavoko. The town hosts Mavoko municipal council and headquarters of Mavoko division which is part of the Machakos District. It has an urban population of 22,000 and a total population of 48,260 (1999 census), and is relatively industrialised, including a major cement factory run by Athi River Mining. The town is also a growing residential area due to its proximity to the capital