Marseille is the second largest city in France and its largest Mediterranean port. It is also the economic hub of the Provence-Alpes-Côte d'Azur region. The document provides a sample itinerary for a two day trip to Marseille, which includes visits to notable landmarks like Basilique Notre-Dame de la Garde, MuCEM museum, Cathedrale de la Major, and Vieux Port. The budget for the trip is estimated to be $3,000.