From the Wikipedia page [1]
Iringa Rural District (Wilaya ya Iringa Vijijini) is one of the four districts of the Iringa Region of Tanzania, East Africa. It is bordered to the north by the Dodoma Region, to the east by Kilolo District and encircles Iringa Urban District, to the south by the Mufindi District, to the southwest by the Mbeya Region and to the northwest by the Singida Region.