The Paris region's most intense economic activity through the central Hauts-de-Seine department and suburban La Défense business district places Paris's economic centre to the west of the city, in a triangle between the Opéra Garnier, La Défense and the Val de Seine.
Najintenzivnija ekonomska djelatnost pariške regije kroz središnji departman Hauts-de-Seine i prigradsku poslovnu četvrt La Défense postavlja ekonomsko središte Pariza na zapad grada, u trokut između Opéra Garnier, La Défense, i Val de Seine.