Lake Manyara
It is a shallow , alkaline lake in the Natron-Manyara-Balangida branch of the East African Rift in Manyara Region in Tanzania . . The northwest quadrant of the lake ( about 200 sq , km . ) is included within Lake Manyara National Park and it is part of the Lake Manyara Biosphere Reserve , established in 1981 by UNESCO as part of its Man and the Biosphere Programme . 
<triplet> Manyara Region <subj> Tanzania <obj> country <triplet> Tanzania <subj> Manyara Region <obj> contains administrative territorial entity