The following is a list of unnamed Gamma Quadrant sectors.
Sector containing penal moon[]
This sector contained a penal moon for the members of the factions Ennis and Nol-Ennis in the Gamma Quadrant. The Federation had begun exploration of this sector after the discovery of the Bajoran wormhole in 2369. (DS9: "Battle Lines")
Sector containing the Dosi homeworld[]
This sector contained the Dosi homeworld.
In 2370, Grand Nagus Zek projected that within a year the Ferengi would make tulaberry wine the most popular drink in this sector. (DS9: "Rules of Acquisition")
Sector containing the Dominion planet[]
This sector contained a planet in Dominion territory.
In 2370, while during a planetary survey of this planet, Commander Benjamin Sisko and Quark were briefly imprisoned by the Dominion before making their escape.
The first major engagement between the Federation and the Dominion occurred in this sector, which resulted in the destruction of the USS Odyssey and the remainder of the Federation's forces retreating back to the Bajoran wormhole. (DS9: "The Jem'Hadar")
Sector containing Meridian[]
This sector was explored by the USS Defiant in 2371. It included the star systems Kylata and Trialus, home to the planet Meridian, and there was no sign of Dominion activity in this sector. (DS9: "Meridian")