CityJet destinations has a wet-lease with a carrier with HQ located where?
CityJet destinations:  Additionally, it serves several more destinations on wet-lease agreements with Air France (which ends on 31 October 2017), KLM, Brussels Airlines and Scandinavian Airlines. Air France:  Air France's corporate headquarters, previously in Montparnasse, Paris, are located on the grounds of Charles de Gaulle Airport, north of Paris.
Charles de Gaulle Airport, north of Paris