The Île de France region is one of the ancient provinces of France, and the one that has been the centre of power during most of French history thanks to its attracting city: Paris. With a population of 12 million (18.3% of the French population), it contributes to the production of a third of the economic wealth in France. The region is home to some of the most visited monuments and sites in France: the Eiffel Tower, Notre-Dame cathedral, the Palace of Versailles, the castle of Vaux-le-Vicomte, the Louvre museum…