Nairobi is a 4.4 million-person city on the Nairobi River. It is Kenya's political, financial, and media capital, as well as a transit point for the majority of visitors to the country. Nairobi is Kenya's largest and fastest-growing city, as well as one of Africa's largest. It is worthwhile to spend a few days exploring this bustling metropolis. Nairobi is densely packed with parks and open spaces. Much of the city is densely forested, with plenty of green space. Uhuru Park is Nairobi's most well-known park.