Uasin Gishu County is one of the 47 counties of Kenya located in the former Rift Valley Province. Eldoret city has the county's largest population centre as well as its administrative and commercial centre. It is bordered by Elgeyo-Marakwet to the East, Trans Nzoia to the North, Kakamega to the west, Nandi and Kericho to the South West and Baringo to the South East. It is a highland plateau with altitudes falling gently from 2,700 metres (8,900Â ft) above sea level to about 1,500 metres (4,900Â ft) above sea level. The topography is higher to the east and declines gently towards the western border".
Uasin Gishu is located on a plateau and has a cool and temperate climate. The county borders Trans-Nzoia County to the north, Elgeyo-Marakwet and Baringo counties to the east, Kericho County to the south, Nandi County to the south and south-west and Kakamega County to the west.