The administrative divisions of the Republic of Ghana consist of four geographic terrestrial plains; ten regions divided into six metropolitan assemblies; and 55 municipal assemblies subdivided into a total of 212 districts, each with its own district assembly. Various types of council then exist beyond districts, including 58 town or area councils; 108 zonal councils; and 626 area councils. Finally, there are sixteen-thousand unit committees.
Ghana is drained by a large number of streams and rivers. In addition, there are a number of coastal lagoons, the huge man-made Lake Volta, and Lake Bosumtwi, southeast of Kumasi and which has no outlet to the sea.
In 2010, most of the 24.2 million inhabitants were predominantly citizens of the Ashanti (Akan) territories or Ashantiland (Kingdom of Ashanti) (4.7 million in Ashanti, 2.3 million in Brong-Ahafo, 2.2 million in Central, 2.6 million in Eastern, 2.3 million in Western, and 4 million in the seat of government in Greater Accra geographically and legally part of Eastern then administered separately on 23 July 1982).