La Défense- modern business and residential district in the near suburb of Paris, west XVI District, in the department of Hauts-de-Seine. It is considered the largest business center in Europe. Instead it is also called "Parisian Manhattan." It lived 20 000 people., And to work every day come 150,000 employees in 1500 firms and organizations, nestled in Defans.Stroitelstvo quarter, with its pedestrian zone lengths of 1, 2 km long and 250 m wide, began in 1955. The first office building was opened in 1958.