Casablanca is a city in western Morocco, located on the Atlantic Ocean. It is the capital of the Greater Casablanca region. With a population of over 3,299,428 [1], Casablanca is Morocco's largest city as well as its chief port. It's also the biggest city in the Maghreb. Casablanca is considered the economic and business center of Morocco, while the political capital city of Morocco is Rabat.