Njombe is a town in southern Tanzania. It is the regional capital of Njombe Region as well as the district headquarter of Njombe Rural District and Njombe Urban District. It is located at nearly 2000 meters of altitude on the eastern edge of the Kipengere Range and has the reputation of being a cold town.

Njombe Region is one of Tanzania's 31 administrative regions. The region covers a land area of 21,347 km2 (8,242 sq mi). The region is comparable in size to the combined land area of the nation state of El Salvador. Njombe Region is bordered to the north by the Iringa Region and Mbeya Region, to the east by Morogoro Region, to the south by the Ruvuma Region and to the west by Lake Nyasa. The regional capital is the municipality of Njombe. According to the 2012 national census, the region had a population of 702,097.