Casablanca is the largest city in Morocco and the country's economic and business centre. Located on the Atlantic coast of the Chaouia plain in the central-western part of Morocco, the city has a population of about 3.22 million in the urban area, and over 4.27 million in Greater Casablanca, making it the most populous city in the Maghreb region, and the ninth-largest in the Arab world.
Summary from Wikipedia.
