Anyone who has even been to Marseille knows about its beloved Marché aux Poissons (fish market). The oldest and second largest city in France, Marseille was founded in 600 BC by the Greeks and became one of the most important port towns along the Mediterranean Sea. Given its prime location and wonderful harbor came a long-held tradition of fishing. The Marché aux Poissons has been around for centuries and is the best place around for fish lovers to buy the freshest seafood in France.