: قضاء الرطبة
) is the largest district by area in Al Anbar Governorate
, covering 93,445 km², and the least populated in relative and absolute terms, with a population of 24,813 (estimate January 2003), or 0.27 per km².
It is also the southernmost district of Al Anbar Governorate, the westernmost of the whole country, and the only district nationwide bordering Jordan
. It is centred on the town of Ar-Rutba