Dalek Sector

From Tardis Wiki, the free Doctor Who reference

The Dalek Sector was a nickname Bel gave a region in space that the Daleks controlled, opposing the Cyber Sector of the Cybermen and the area controlled by the Sontaran Empire. The Daleks had gained control of this sector in space after the Flux destroyed most of the Universe. The Daleks were constantly expanding in the wake of the Flux. A planet was within this sector. (TV: Once, Upon Time) With the Lupari having left to protect the Earth, (TV: The Halloween Apocalypse) the Daleks also annexed the ruins of their home galaxy. (TV: Once, Upon Time)