Dhruma or Darma is a small town located 73.4 kilometres by road northwest of Riyadh, Saudi Arabia. It is the center of the small Dhurm…Dhruma or Darma is a small town located 73.4 kilometres by road northwest of Riyadh, Saudi Arabia. It is the center of the small Dhurma Governorate of Riyadh Province, and had a population of 10,267 people according to the 2004 census. It lies in the wide Al-Batin valley, which it shares with its larger twin, Muzahmiyya.