Msasani is an administrative ward in Kinondoni District of the Dar es Salaam Region in Tanzania. The ward is bordered to the north and east by the Indian Ocean. Kinondoni, Hananasif and Kivukoni ward of Ilala MC border the ward to the south. Lastly, Mikocheni and Kawe to the west. Msasani is named after Medieval Swahili settlement that used to exist in the ward. According to the 2012 census, the ward has a population of 48,920.

Kinondoni District, officially the Kinondoni Municipal Council is one of five districts of the Dar es Salaam Region of Tanzania. The district is bordered to the north by Bagamoyo District and Kibaha of Pwani Region, to the east by the Indian Ocean, the west by Ubungo District, and to the south by the Ilala District. The district covers an area of 269.5 km2 (104.1 sq mi). The district is comparable in size to the land area of Malta. The administrative seat is Ndugumbi. The district is home to one of the best preserved Medieval Swahili settlements, Kunduchi Ruins, headquarters for the National Muslim Council of Tanzania (BAKWATA) and Makumbusho Village Museum. Considered the cultural center of Dar es Salaam, Kinondoni District is also regarded the birthplace of the musical genre of Singeli. In addition the district is one of two districts in Dar es Salaam that has a National Historic Site, namely the Kunduchi Ruins.The 2012 National Tanzania Census states the population for Kinondoni as 1,775,049.