The alpha quadrant is one of the four quadrant in our galaxy. Gigerdians, Humans, Bacterians, Lightness, Folans and Vemrers live in this part of the galaxy. There's millions of planets in the Alpha quadrant, still only third of them is habitat. Alpha quadrant includes Earth and Gigerdi Prime. Most of UFP's space is in the AQ. Barzan wormhole is in the AQ. Check the Map to see the location of Alpha Quadrant.