Makueni County is a county in the former Eastern Province of Kenya. Its capital and largest town is Wote. The county has a population of 987,653. The county lies between Latitude 1° 35' and 2° 59' South and Longitude 37° 10' and 38° 30' East. It borders Machakos County to the North, Kitui County to the East, Taita Taveta County to the South and Kajiado County to the West and covers an area of 8,008.9 km2.

Machakos County is one of the 47 counties of Kenya, which came into being because of the devolved system of governance occasioned by the 2010 constitution of Kenya. The country's first administrative headquarters are in Machakos Town, which is the largest town in the county. The county had a population of 1,421,932 as of 2019. The county borders Nairobi and Kiambu counties to the west, Embu to the north, Kitui to the east, Makueni to the south, Kajiado to the south west, and Muranga and Kirinyaga to the north west.