Starbase G-6
Starbase G-6 was a Federation starbase administered by Starfleet. This starbase, located in the Alpha Quadrant, was close to the Sigma III system. 

In 2258, the starbase's location was labeled on a star chart seen on the main viewscreen of the . ()

In 2259, the location of this starbase was labeled on a stellar cartography chart that was seen on the 's ready room viewscreen. () 

In early 2364, the  dropped off Deanna Troi at Starbase G-6 to take a shuttle to visit Betazed. ()

In 2399, the location of Starbase G-6 was labeled on a Federation star chart that was in Fleet Admiral Kirsten Clancy's office at Starfleet Headquarters. This base was in or near to Federation space. ()

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bg:Звездна база G-6
de:Sternenbasis G6
es:Base Estelar G6
ja:宇宙基地G6
nl:Sterrenbasis G-6
G-6