Tanga is one of eleven administrative districts of Tanga Region in Tanzania. The District covers an area of 596.5 km2 (230.3 sq mi). Tanga district is bordered to the north by Mkinga District, to the east by the Indian Ocean, to the south and west by Muheza District. The district seat (capital) is the city of Tanga. The district is the administrative and economic center of Tanga Region.According to the 2012 census, the district has a total population of 273,332.