Nyerere National Park (formerly: Selous, pronunciation: "saluu") is the largest national park in Tanzania, also one of the world's largest wildlife sanctuaries. The name of the Park is given in honor of the founder of the Nation, the Late Mwalimu Julius Kambarage Nyerere. The Park has been established in year 2019 and cover an area of over 30,000 square kilometers. The total area of the park is 30,893 km2 (11,928 sq mi) and covers the Coast, Morogoro, Lindi, Mtwara and Ruvuma regions. The area is larger than 70 countries in the world and is estimated to be twice the size of Costa Rica (Central America) and about twice the size of Belgium (Europe). Much of the area is in a natural state without being disturbed by human activities.

With its largest wilderness area in Africa, Nyerere National park has relatively undisturbed ecological and biological processes, including diverse range of wildlife with significant predator and prey relationship. The might Rufiji with its renown population of hippo and Rhino flows to Indian ocean. The river has been designated as a photographic zone and is a popular tourist destination.

The sheer volume of game in the Nyerere is just outstanding ! Elephant, buffalo and lion are found in greater numbers and the park, together with the remaining part of Selous has the last true stronghold for African wild dog, Visitor to this vast park will be able to enjoy the widest diversity of safari activities in the country, like boating safaris as well as standard game drives, walking safaris and legendary fly camping trips.