Wadi ad-Dawasir  Wadi Al Dawasir () is a town in Najd, Saudi Arabia, in the Dawasir valley. The town is the homeland of the tribe of Al-Dawasir. The municipality had a population of 106,152 at the 2010 Census. It is divided into three main neighborhoods, Alnowaima and Alkhamaseen and Allidam. Wadi ad-Dawasir has a hot desert climate (Köppen climate classification "BWh").