Out of the 582,646 sq. km. that make the land surface of Kenya, 29,100.5 sq. km. is occupied by national parks while 15,827.74 sq. km is covered by national reserves. There are 23 terrestrial national parks and 4 marine national parks, making a total of 27 national parks. The number of terrestrial national reserves is 28 while there are 5 marine national reserves, making 33 national reserves in total. In 2005, Kenya received a total of 2,133,452 visitors to the national parks and reserves. There are 4 National sanctuaries in the nation.