Nakuru is a city in the Rift Valley region of Kenya. It is the capital of Nakuru County, and it is the fourth largest city in Kenya and the large…Nakuru is a city in the Rift Valley region of Kenya. It is the capital of Nakuru County, and it is the fourth largest city in Kenya and the largest in the Great Rift Valley, Kenya|Rift Valley region. As of 2019, Nakuru has an urban population of 570,674, making it the largest urban center in the Rift Valley, above Eldoret, Uasin Gishu County. The city lies along the Nairobi–Nakuru Highway, 160 kilometres from Nairobi, the capital city of Kenya.