Subsector 3383
A map showing the location of Rahm-Izad
Subsector 3383 was a region of space, a subsector of Sector 21459, in the Beta Quadrant. The Rahm-Izad system was located here. (TNG: "The Chase")
This subsector was only mentioned in writing.
In "The Chase", the location of Sector 21549 was pointed out by Data from a star chart of the Milky Way Galaxy.