A private one-day tour of Casablanca, Morocco is the best way to see the city if you’re arriving from the Casablanca airport or a short visit or if you’re coming by way of cruise ship into the Casablanca Port. Casablanca. Casablanca Tours are available from the airport, your Casablanca hotel or the Port of Casablanca. Casablanca or more affectionately known as Casa has a population of three and a half million and is the largest city and port in Morocco. It’s also the biggest city in the Maghreb and the sixth biggest city in the entire continent of Africa.