Nyeri County is located in the central region of Kenya. Its capital and largest town is Nyeri. Nyeri county is bordered by Kirinyaga county to the East, Nyandarua to the West, Muranga to South, Laikipia to the North and Meru county to the North East. It has eight administrative sub-counties: Kieni East, Kieni West, Mathira East, Mathira West, Nyeri Central, Mukurweini, Tetu and Othaya. According to the 2019 Kenya Population and Housing Census the population is 759,164 with a population density of 228/km2

