Quatal Prime was the inhabited prime planet in its star system. This system was located in the Demilitarized Zone. This planet, the site of a Cardassian colony, had at least four moons.

In 2373, the planet boasted a profitable mining operation and its defenses were in the process of being upgraded but were yet incomplete. Maquis leader Michael Eddington chose Quatal as the second target of his cobalt diselenide weapon. Captain Benjamin Sisko anticipated his actions, but the USS Defiant arrived at the planet too late to prevent the biogenic weapon from spreading through the atmosphere. The Defiant gave chase to the two Maquis raiders involved in the attack, though Eddington escaped by firing on one of the Cardassian transports evacuating the colony, forcing the Defiant to turn back to save them. The planet was claimed by the Maquis after the Cardassians were gone. (DS9: "For the Uniform") In 2373 it was among the Marquis colonies destroyed by the Cardassian-Domionion forces. (DS9: "By Inferno's Light")

According to the script, the pronunciation for Quatal was "kwuh-TAL". [1]
According to Star Trek: Star Charts (p. 47) and Stellar Cartography: The Starfleet Reference Library ("Federation Historical Highlights, 2161-2385"), the Quatal system was located in the Alpha Quadrant. The system's primary was an A-class star. According to a map of the Cardassian Union – prepared by an anonymous astrography clerk, from the Cardassian Central Archives, in 2364 – Quatal was identified as a Cardassian system.
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