Sontar, a planet in the Pocket Universe, is the homeworld of the Sontarans  It has a largely harsh environment, and in Year 324 of the New Shi'ar Calendar, the planetary government outlawed natural breeding in favor of mandatory cloning programs.  It is the capital of the Sontaran Dominion, and located in the Beta Quadrant 12,540 light years from the black hole at the center of the local universe.