Gamma Hromi
Gammma Hromi was a planetary system in the Hromi Cluster, in the Beta Quadrant. One of its planets was Gamma Hromi II. It was located near Starbase 24, Ramatis, and the Federation border with the Klingon Empire.

In 2256, this system's location was labeled on the star chart "Alpha/Beta Quadrant Overview" in the ready room aboard the . (; )

In 2257, during the , this star's system was occupied by the Klingons. ()

In 2259, the location of this system was labeled on a stellar cartography chart that was seen on the 's ready room viewscreen. This system's symbol had a blue color, indicating that it was affiliated with the . () 

In 2399, this system's was labeled on a Federation star chart that was in Fleet Admiral Kirsten Clancy's office at Starfleet Headquarters. The system was in or near to Klingon space. () 

Star systems