Nairobi School of Media Studies due to its large media focus. Nairobi has grown since 1899. A population projection in the 21st century is listed below. Nairobi is twinned with: Nairobi Nairobi () is the capital and the largest city of Kenya. The name comes from the Maasai phrase "Enkare Nairobi", which translates to "cool water", a reference to the Nairobi River which flows through the city. The city proper had a population of 3,138,369 in the 2009 census, while the metropolitan area has a population of 6,547,547. The city is popularly referred to as the Green City in the Sun.
Nairobi much more) are privately owned minibuses, and the most popular form of local transport. They generally seat fourteen to twenty-four. Matatus operate within Nairobi, its environs and suburbs and from Nairobi to other towns around the country. The matatu's route is imprinted along a yellow stripe on the side of the bus, and matatus plying specific routes have specific route numbers. However, in November 2014 President Uhuru Kenyatta lifted the ban on the yellow stripe and allowed matatus to maintain the colourful graphics in an effort to support the youth in creating employment. Matatus in Nairobi were easily distinguishable by