The Place Jean-Jaurès, a.k.a. La Plaine, is a historic square in Marseille, Bouches-du-Rhône, Provence-Alpes-Côte d'Azur, France. As early as the 13th century, it was a camping ground for Christian Crusaders on their way to the Holy Land. It later became a meeting place to welcome dignitaries and members of the French royal family. It is now home to a farmers' market. It is named after politician Jean Jaurès.