The luxurious Citadines Suites Arc de Triomphe Paris along the prestigious Avenue Kléber has re-opened after a stunning €26 million facelift. The 112-unit Citadines Suites Arc de Triomphe Paris is Ascott’s second serviced residence under the upscale Citadines Suites label following the successful opening of Citadines Suites Louvre Paris near the Palais-Royal in April 2013.