Next destination : Marseille and surroundings

Day 1:
Nimes, with day trips to Pont du Gard and Uzes
Day 2:
Arles
Day 3:
Avignon with day trip to Orange
Day 4:
Aix en Provence
Day 5:
Aigues Mortes

Or maybe Montpellier: place de la Comedie, Saint Pierre, hotel de ville, palais des pierres vives, quartier antigone