Galactic Sector 973
From Tardis Wiki, the free Doctor Who reference
Galactic Sector 973 was the Mutter's Spiral sector where the War Lord homeworld was located, although the planet used for their War Games was in another sector. (TV: The War Games [+]Loading...["The War Games (TV story)"])
The War Lords took war-like species from across the sector to test their aptitude, including beings from the homeplanet of the Ulk-Ra and from Earth, (PROSE: War Crimes [+]Loading...["War Crimes (short story)"]) although Earth was stated to be in Sector 8023. (TV: Logopolis [+]Loading...["Logopolis (TV story)"])