Zanzibar City (or Zanzibar Town, often simply referred to as Zanzibar) is the capital and largest city of , in . It is located on the west coast of , the main island of the , roughly due north of across the . It also serves as the capital of the , and qualifies as a , formally known as Zanzibar Urban District. In 2002 its population was 205,870.
For parliamentary elections, Tanzania is divided into constituencies. As of the 2010 elections the area for Zanzibar West District had nine of the nineteen constituencies in the region: