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.
University of Aden The University of Aden is the first Yemeni university founded in the Republic of Yemen beside Sana'a University.