Gagarin IV: -Planet.
            -Location of the Darwin Genetic Research Station.
Gaia: -Class-M planet in the Gamma Quadrant.
      -Fourth planet of its sun.    
      -Surrounded by an energy barrier that exhibited dangerous quantum fluctuations.
Galactic Cluster 3: Transmaterial energy plane intersecting 22 billion omnicordial life-forms.
Galador II: Planet homeworld to Galador freighters.
Galaxy M33: Galaxy accidentally visited by U.S.S. Enterprise NCC-1701-D with help from the 
            Traveller.
Galdonterre: -Planet.
             -former hiding place of the Albino.
Galen IV: -Planet.
          -Site of Federation colony destroyed by Talarian forces.
Galor IV: Planetary site of an annex to the Daystrom Institute.
Galorda Prime: -Planet.
               -In 2372, a Klingon civilian transport crashed, killing all persons on board.
Galorndon Core: Federation planet where Romulan scout ship Pi crashed in 2366.
Galvin V: Planet where a marriage was only considered succesful if a child was produced in the
          first year.
Gamelan V: Planet that experienced increase in atmospheric radiation in 2367.
Gamma 400 star system: Star system where Starbase 12 is located.
Gamma 7 Sector: Service area of the U.S.S. Lantree NCC-1837.
Gamma 7A system: Star system destroyed by the amoeba creature.
Gamma Arigulon system: Star system where U.S.S. LaSalle NCC-6203 reported radiation anomalies.
Gamma Canaris region: Region of space where shuttlecraft Galileo was pulled off course.
Gamma Erandi Nebula: Interstellar gas cloud studied by U.S.S. Enterprise NCC-1701-D in 2366.
Gamma Eridon: Star system in Klingon space.
Gamma Hromi II: -Planet.
                -Location of a Gatherer camp.
                -Site of negotiations to reunite the Acamarians and the Gatherers.
Gamma Hydra: -Star system.
             -Theoretical location of Kobayashi Maru's distress call.
Gamma Hydra IV: Planet where entire population of a Federation science colony died of a 
                radiation disease resmbling old age.
Gamma II: -Planet.
          -Destination of U.S.S. Enterprise NCC-1701 when crew members where abducted to 
           Triskelion.
Gamma Quadrant: -One quarter of the Milky Way galaxy, the portion most distant to the United
                 Federation of Planets.
                -Acces to the Gamma Quadrant may be gained through the Bajoran Wormhole.
                -Home to the Dominion.
Gamma Tauri IV: Planet where Ferengi stole a T-9 converter.
Gamma Trianguli VI: -Tropical calss M planet.
                    -Homeworld of a humanoid people formerly ruled by the machine-god Vaal.
Gamma Vertis IV: Planet where the entire population is mute.
Ganalda IV: -Planet.
            -Klingon forces retreated from Ganalda IV in 2373.
Gand Sector: Region of space in the Delta Quadrant.
Garadius system: Star system where U.S.S. Enterprise NCC-1701-D was assigned to a diplomatic 
                 mission.
Gariman Sector: Area of Federation space.
Garon II: Planet visited by U.S.S. Wellington NCC-28473.
Garth system: Solar system near planet Malcor III.
Gaspar VII: Homeworld of Starfleet Captain Edwell.
Gault: Farmin world where Worf was raised.
Gavara system: Star system located in the Gamma Quadrant.
Gema IV: -Planet in the Delta Quadrant.
         -Controlled by Kazon-Nistrim.
Gemaris V: Planet where Captain Jean-Luc Picard mediated a trade dispute.
Gemulon V: Original planet destination of colony ship S.S. Santa Maria.
Genesis Planet: -Planet in the Mutara Nebula created by the Genesis device.
                -Destroyed because of protomatter in the Genesis matrix.
Gideon: -Class M planet.
        -Once a paradise, but in 2269 plagued with overpopulation.
Giles Belt: -Asterois field.
            -Possible destination of Zibalian trade vessel Jovis.
Glintara Sector: Region of space in the Romulan Star Empire.
Golana: -Class-M planet near Bajoran space.
        -Home to a technologically advanced civilization that vanished 1000 years ago.
        -Colonized by Bajorans.
        -Location of the Golanan Time Portal.
Gonal IV: -Planet.
          -Home to swarming moths.
Gorath: -Location in the Klingon Empire.
        -Site of sulfur lagoons.
Goren systems: -Planetary system.
               -Site of a territorial dispute in 2375.
Gothos: Planet created by Trelan, although his parents warned him that if he disobbeyed, he 
        wouldn't be allowed to make any more worlds.
Gravesworld: Planet where cyberneticist Ira Graves lived his las years.
Guernica system: -Star system.
                 -Location of a Federation outpost.