Ba'ku system
The Ba'ku system was an inhabited star system inside the Briar Patch, in Sector 441, a region of space in the Alpha Quadrant. , the adopted homeworld of the Ba'ku, was located in this system. This planet was home to native species of fishes, goats, hummingbirds, llamas, and the Rhyl. ()

In 2256, the location of Ba'ku was labeled on the star chart "Alpha/Beta Quadrant Overview" in the ready room aboard the . ()

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, the location of Ba'ku was labeled in a Federation star chart that was in Fleet Admiral Kirsten Clancys office at Starfleet Headquarters. The system was in or near to Federation space. () 

Star systems