Ambroise Paré Hospital is a celebrated teaching hospital in the prestigious Parisian suburb of Boulogne-Billancourt. It is part of the Assistance Publique – Hôpitaux de Paris which is the largest hospital system in Europe and one of the largest in the world. It is one of the teaching hospitals of Paris-Saclay University, which was ranked 1st university in France and 13th in the world.