Ninsul

 was a planet that was visited by the Eleventh Doctor.

Apperance
It's apperance was noted a looking dirty, scrappy and messy. (COMIC: Line of Battle)

Cities
There were two known cities - Peorek and Sokkar. The Elite came from Peorek. (COMIC: Line of Battle)

History
The Elite enslaved some of their own race to create a machine known as the Wardroid to attack the city of Sokkar. The Eleventh Doctor managed to hack the machine, and they were defeated. (COMIC: Line of Battle)