Hai is one of the seven districts of the Kilimanjaro Region of Tanzania.The district covers approximately 1,217 square kilometres (470 sq mi). It is bordered to the southwest by the Meru District of Arusha Region, to the west by the Siha District, and to the east by the Moshi Urban District and Moshi Rural District and the Rombo District to the far north. The western breach part of Mount Kilimanjaro is located in the Hai District. According to the 2022 census, the population of the Hai District was 240,999.