The capital of Kenya is Nairobi. Founded in the late 19th century as a rail depot for the Uganda Railway, Nairobi quickly grew into a significant administrative and economic center. As the largest city in Kenya, it plays a vital role in finance, trade, and tourism in East Africa. The city is home to numerous national parks, wildlife reserves, and cultural attractions, making it a unique blend of urban and natural environments. Nairobi also hosts many international organizations, including the United Nations Environment Programme (UNEP), further solidifying its status as a major global city.