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.
Sana'a Sana'a (Arabic: صنعاء‎ ‎ "Ṣan‘ā’ " ] , ] ), also spelled Sanaa or Sana, is the largest city in Yemen and the centre of Sana'a Governorate. The city is not part of the Governorate, but forms the separate administrative district of "Amanat Al-Asemah". Under the Yemeni constitution, Sana'a is the capital of the country, although the seat of the internationally recognised government moved to Aden in the aftermath of the 2014–15 Yemeni coup d'état. Aden was declared as the temporary capital by President Abdrabbuh Mansur Hadi in March 2015.