What historical regions does the city where MA'ADEN's corporate headquarters are located belong to?
Riyadh Riyadh (/rɨˈjɑːd/; Arabic: الرياض‎ ‎ "ar-Riyāḍ" ] ) is the capital and most populous city of Saudi Arabia. It is also the capital of Riyadh Province and belongs to the historical regions of Najd and Al-Yamama. It is situated in the center of the Arabian Peninsula on a large plateau and home to more than six million people.
History of Amman Amman ( ; Arabic: عمّان‎ ‎ ) is the capital and most populous city of Jordan, and the country's economic, political and cultural centre. Situated in north-central Jordan, Amman is the administrative centre of the Amman Governorate.