The Ga West Municipal Assembly was carved out of the erstwhile Ga municipal which was created in 1988 in pursuance of the government decentralization and local government reform policy. In 2004, the Ga Municipality was divided into two with Amasaman capital remaining the capital for the newly created Ga West Municipal. The Municipality forms part of sixteen (16) Metropolis, Municipalities and Districts in the Greater Accra Region. the Municipality lies within latitude 5°35° North, 5°29’ North and longitude 0°10’ West and 0°24’ West. It shares common boundaries with Ga East and Accra Metropolitan Assembly to the East, Akwapem South to the North and Ga South and Ga Central to the South. It occupies a land area of approximately 284.08 sq km with about 412 communities.
Municipal Chief Executive for the Ga West Municipality, Mr. Sam Atukwei Quaye, has indicated that some 190 persons in Small and Medium skill ventures benefitted from the Rural Enterprise Programme in 2013.