Elgeyo-Marakwet County is one of Kenya's 47 counties, which is located in the former Rift Valley Province with its capital and largest town as Iten. It borders the counties of West Pokot to the north, Baringo County to the east, southeast and south, Uasin Gishu to the southwest and west, and Trans Nzoia to the northwest.

Iten is a town in Elgeyo-Marakwet County in the Republic of Kenya. Iten serves as the capital and is the largest town in the county. The town is located along the road between Eldoret and Kabarnet at the junction of the road heading to Kapsowar. Elgeyo escarpment and Kerio River are located east of Iten. The growing town had a population of 42,312 at the 2009 consensus.