Kisii Town, located south-western Kenya, is the main urban and commercial centre in Gusii Highlands. A vibrant town, the Kisii municipality has a population of about 83,000, according to 2008 estimates. However, it has a large dependent metropolitan population of over 100,000 residents, as per the latest national population and housing census of 2009.
Kisii town is the capital of the Kisii County. Formerly the headquarters of the original and larger Kisii District before it was split to create Nyamira a district located in the north and Gucha, a district located in the south. Moreover, with the passing and the promulgation of the new Kenya Constitution in August 27, 2010, Gucha District was re-absorbed back into Kisii County whereas Nyamira District has since been renamed Nyamira County.
Today, it is a bustling town and a home to several businesses, organizations, educational institutions and government agencies. Kisii municipality sits right at the centre of the Western Kenya tourist circuit that includes the Tabaka Soapstone Carvings, Maasai Mara Game Reserve
, Lambwe Valley Game Reserve and the entire Lake Victoria basin. The town continues to serve these former districts, the larger South Nyanza County and the Trans Mara area of western Narok
County in terms of commerce.