The Cité des Exchanges is a major trade fair and exhibition center in France, with a surface area of approximately 20,000 square meters dedicated to events. Historically, it hosts trade fairs such as the Lille International Fair and the Innovation Fair, which attract thousands of visitors and exhibitors. Its importance in the country lies in its role as a meeting point for business, networking, and the promotion of products and services, contributing significantly to regional and national economic development.