The Seventh Galaxy, also called the Sculptor Dwarf Galaxy, (PROSE: The Eyeless) was a part of the Seven Galaxies (TV: Genesis of the Daleks) located 290,000 light-years from Earth. (PROSE: The Eyeless)
It was notably the location of the Daleks' home planet Skaro, (PROSE: The Infinity Doctors, REF: Doctor Who and the Daleks Omnibus) leading to an Anti-Dalek Force patrolling the Seventh Galaxy. (PROSE: Report from an Unknown Planet)
During the Armageddon Convention of 1609, Irving Braxiatel received intelligence reports indicating an increase in activity around the Seventh Galaxy. (PROSE: The Empire of Glass)
From Proamon, constellations seen out past the Seventh Galaxy included the Waterfall and the Great Lever. (PROSE: Dragonfire)
Arcopolis was located in the Seventh Galaxy. It was impacted by the Last Battle of the Seventh Galaxy.
The Tenth Doctor claimed that he had only been to Galaxy Seven a handful of times. (PROSE: The Eyeless)