Нгоронгоро
Arusha Region is a tourist destination and is the center of the northern Tanzania safari circuit. The national parks and reserves in this region include Ngorongoro Conservation Area, Arusha National Park, the Loliondo Game Controlled Area, and part of Lake Manyara National Park. Remains of 600-year-old stone structures are found at Engaruka, just off the dirt road between Mto wa Mbu and Lake Natron. With a HDI of 0.721, Arusha is one among the most developed regions of Tanzania.