Tema birni ne, da ke a yankin Bight of Benin, da kuma Tekun Atlantika na ƙasar Ghana. Tana da nisan kilomita 25 (16 mi) gabas da babban birni; Accra, a cikin yankin Greater Accra, kuma shine babban birnin Tema. Ya zuwa shekara ta 2013, Tema ita ce ta goma sha ɗaya mafi yawan matsuguni a ƙasar Ghana, tare da mutane kusan 161,612 - raguwar da aka samu daga adadin ta na 2005 wanda ya kai 209,000. Greenwich Meridian (Longitude 00) ya wuce kai tsaye ta cikin gari. Ana yiwa garin Tema lakabi da "Garin tashar jirgin ruwa" saboda matsayinta na babbar tashar jirgin ruwan Ghana. Ya ƙunshi al'ummomi daban-daban 25 waɗanda aka ƙidaya daidai da kowane ɗayansu yana da sauƙin isa ga abubuwan more rayuwa. Tema birni ne da aka gina a kan ƙaramin ƙauyen kamun kifi. Shugaban kasar Ghana na farko, Kwame Nkrumah ne ya ba Tema aiki, kuma ya bunkasa cikin sauri bayan gina babbar tashar jirgin ruwa a 1961. Garin Tema an tsara shi, an tsara shi kuma an haɓaka shi ta hanyar mai ba da kyautar birni mai tsarawa kuma masanin gine-ginen ƙasar Ghana na farko, Theodore S. Clerk.