The Pugu Hills Forest Reserve, officially listed as Pugu/Kazimzumbwi Nature Forest Reserve is a protected area located in Kisarawe ward of Kisarawe District in Pwani Region, Tanzania. The forest borders in the Pugu ward, of Ilala MC in Dar es Salaam to the east, adjacent to the Kazimzumbwi Forest Reserve. Together with Kazimzumbwi, the Pugu Forest is part of what is considered to be one of the oldest forests in the world. The area is characterized by a large variety of endemic species of animals and plants.

Kisarawe District Council is one of eight administrative districts of Pwani Region in Tanzania. The District covers an area of 5,031 km2 (1,942 sq mi). It is bordered to the east by Dar es Salaam Region's Ilala and Ubungo Municipal Councils. The Kibaha District and Kibaha Town Council border the district to the north, and the Mkuranga District and Kibiti District border it to the south-east. By the Rufiji District to the south, and the Morogoro District of the Morogoro Region to the west. The district is comparable in size to the land area of Trinidad and Tobago. The town of Kisarawe serves as its administrative capital. According to the 2022 Tanzania National Census, the population of the District was 159,226.