The Tema West Municipal is one of the 261 Metropolitan, Municipal and District Assemblies (MMDAs) in Ghana, and forms part of the 29 MMDAs in the Greater Accra Region.

The Tema West Municipal Assembly is carved out of the Tema West Municipal Assembly as one of the 38 newly created and upgraded districts Assemblies in 2018.

Created with LI 2317, the Tema West Municipal Assembly has its capital as Sakumono.

The Municipality was inaugurated on March 15, 2018 alongside other 37 newly created districts.   

The Tema West Municipal is located between Latitudes 5°42"00' N and Longitudes 0°00"30' W and Latitudes 5°36"20' S and Longitudes 0°7"10' W. It has a total land area of about 66.8 square km, which represents almost 2.1 percent of the total land size of the Greater Accra Region.

The Municipal Assembly shares boundaries with Krowor Municipality to the west, Adentan Municipal to the north-west, Kpone Katamanso Municipal to the north, Ashaiman Municipality to the north-east, and the Tema Metropolitan to the east, with the Gulf of Guinea sharing the south-eastern boundaries.

According to the 2021 Population and Housing Census, the total population of the Tema West Municipal Assembly was 196,224. This consists of 96,846 males representing  and 99,378 females representing .