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.
Diriyah Governorate Al-Dir'iyyah Governorate is a governorate ("muhafazah") within Riyadh Region in Saudi Arabia. The governorate is bounded by the Saudi capital city of Riyadh to the south and east, by Dhruma Governorate to the south and west, and by Huraymla Governorate to the north. The governorate is seated in the city of al-Dir'iyyah, the original hometown of the House of Saud, which served as the capital of the Saudi dynasty from 1744 to 1818. The population of the governorate was 60,777 at the time of the 2004 census, including 18,040 non-Saudis. 34,117 live in the city of al-Dir'iyyah itself.