Tema, which serves as the administrative capital of the Tema Metropolitan is a coastal city situated 25 kilometres east of Accra, the national capital.

The Greenwich Meridian (00 Longitude) passes through the city of Tema. 

Until 1952, when the Government of Ghana decided to develop a deep seaport there, Tema was a small fishing village. Tema became an Autonomous Council in 1974 and was elevated to the status of a Metropolitan Assembly in December, 1990.

Tema metropolitan forms part of the sixteen (16) Metropolis, Municipalities and Districts in the Greater Accra Region.

The Metropolitan shares boundaries with Ashaiman Municipal, Adentan Municipal, and ledzokuku Krowor Municipal to the west respectively, to the east with Kpone Katamanso District, to the North with Dangme West District and to the South with the Gulf of Guinea. 

The population of the metropolis according to 2010 population and housing census stands at 292,773 with 139,958 males and 152,815 females.