Casablanca is the largest city in Morocco and is known for its modern architecture, including the iconic Hassan II Mosque, which is the third largest mosque in the world and can accommodate over 100,000 worshippers. The Moroccan Mall shopping center is also a popular destination, with a wide range of stores and restaurants. If you have time, a visit to one of the nearby beaches can be a great way to relax and take in the coastal atmosphere. It sounds like a great way to start your tour of Morocco.