Nairobi City County

Nairobi City County is one of the 47 Counties of Kenya and serves as the capital of Kenya. It is the most populous county as of the 2019 census with a population of 4,397,073, yet among the smallest in area at 696.1 km². Despite its small size, Nairobi County contributes approximately 27.5% of Kenya's Gross Domestic Product, making it the economic powerhouse of the nation.