Ngari Prefecture (Tibetan: མངའ་རིས་ས་ཁུལ་ ; Wylie: mnga' ris sa khul; simplified Chinese: 阿里地区; pinyin: Ālǐ Dìqū) is a prefecture of the Tibet Autonomous Region. Its capital is Gar County. Its regional headquarters is in the town of Purang. One of the biggest cities is Ali. It includes part of the Aksai Chin area, a part of Kashmir, which is disputed with India. China exercises administrative control. The Xin-Zang Road (新藏公路）) passes through this area. There's a famous pre-historic culture site near the town of Ritu (日土）).
There existed once the Ancient Tibetan Guge Kingdom. Ngari along with Ü and Tsang compose Ü-Tsang, one of the traditional provinces of Tibet, the others being Amdo and Kham.
