Ma'anar ƙamus na jimlar "babban birnin Jojiya" tana nufin babban birni ko cibiyar gudanarwa na jihar Georgia ta Amurka. Babban birnin Jojiya shine Atlanta, wanda ke arewacin jihar kuma shine birni mafi yawan jama'a a Jojiya. Atlanta tana aiki a matsayin cibiyar gwamnati, kasuwanci, al'adu, da sufuri ga jihar Jojiya.
