Bagamoyo is a historic coastal town and capital of Bagamoyo District in the Pwani Region of Tanzania. Much of the settlement was founded at the end of the 18th century, though it is an extension of a much older Swahili settlement, Kaole. It was chosen as the capital of German East Africa by the German colonial administration and it became one of the most important trading ports for the Germans along the East African coast along the west of the Indian Ocean in the late 19th and early 20th century. Bagamoyo lies 75 kilometres north of Dar-es-Salaam on the coast of the Zanzibar Channel, across from the island of Zanzibar. The town hosts Bagamoyo Historic Town, that is a National Historic Site of Tanzania. In 2011, the town had 82,578 inhabitants.

Bagamoyo District Council is one of eight administrative districts of Pwani Region in Tanzania. The District covers an area of 945 km2 (365 sq mi). The district is surrounded by the Chalinze District to the north and west, the Zanzibar Channel to the east, the Kibaha District to the south, and the Kinondoni District to the south-east in the Dar es Salaam Region. The district is comparable in size to the land area of Turks and Caicos Islands. The district capital is at Bagamoyo. 1n 2016 the Tanzania National Bureau of Statistics report there were 106,484 people in the district, from 311,740 in 2012, of which 97,660 where in current district wards. The decrease being from splitting of the district and creation of the Chalinze District in 2015.