Dumat Al-Jandal
Dumat al-Jundal (Arabic: دومة الجندل), is the name for an ancient city of ruins located in North Western Saudi Arabia in the Al Jawf Province its located 37 km away from Sakakah. The name Dumat al-Jandal means literally "Dumah of the Stone", since this was the territory of Dumah, one of the twelve sons of Ishmael. The city's ancient Akkadian name was Adummatu.
Read more about Dumat Al-Jandal: Pre-Islamic History, Omar Bin Al Khattab Mosque, Al Dar'i Quarter