Pollox VI was a planet, the sixth planet in orbit of the Pollox star system, located in Sector 9 of the galaxy's Alpha or Beta Quadrants in Federation space.
History and specifics
In the year 2266, Nyota Uhura disembarked from the USS Azrael at Pollox VI, where she awaited transport to Earth to assume her post as communications officer aboard the USS Enterprise. (TOS reference: Star Trek II Biographies)