The tallest structure in the City of Paris and the Île de France remains the Eiffel Tower in the 7th arrondissement, 300 meters high, completed in 1889 as the gateway to the 1889 Paris Universal Exposition.The tallest building in the Paris region is the Tour First, at 231 meters, located in La Defense.It is tied for ninth place among the Tallest buildings in the European Union.
: https://en.wikipedia.org/wiki/List_of_tallest_buildings_and_structures_in_the_Paris_region