A dynamic, political, administrative, financial, cultural and educative capital; 80% of the residents of Paris are employed in the tertiary sector. The city brings together a concentration of political institutions, embassies, administrative headquarters, international organisations (OCDE, Unesco, corporate headquarters (especially around the Champs Elysées, Opera and Bourse).), Europe’s second biggest stock exchange after London, prestigious universités, and notable tourist centres (Disneyland), 40% of the employment in the greater Paris region is found within the city walls, with only 23% of the population.