Manyara Region is one of Tanzania's 30 administrative regions. The regional capital is the town of Babati. According to the 2012 national census, the region had a population of 1,425,131, which was lower than the pre-census projection of 1,497,555. For 2002-2012, the region's 3.2 percent average annual population growth rate was tied for the third highest in the country. It was also the 22nd most densely populated region with 32 people per square kilometre.
Lake Manyara is in the northern part of the region. It is bordered to the north by the Arusha Region, to the northeast by the Kilimanjaro Region, to the east by the Tanga Region, to the south by the Dodoma Region, to the southwest by the Singida Region, and to the northwest by the Simiyu Region. The highest mountain in the Manyara Region is Mount Hanang.