Quorellia is a desert planet deep within Terran space. Also known as The Gas Giant of the Koprulu Sector, it is the largest known source of Vespene Gas ever discovered. Because of this, it has been a site of mainly battles during the Guild Wars. At the end of the war, the Confederacy, Kel-Morian Combine, and Umojan Protectorate agreed to "share" the planet in the sector designated as "Triad's End". The planet has also been host to the annual Vespene Grand Prix, where teams from the Combine, Protectorate, and the newly renamed Dominion compete for millions in credits and gas by the barrel.