Introduction to Avenue Foch: Avenue Foch is a street in Paris, France. It was originally called "Bois de Boulogne" and was renamed after Marshal Ferdinand Foch in 1929. Avenue Foch is located in the 16th arrondissement of Paris, extending southwest from Place Charles de Gaulle, where the Arc de Triomphe is located, to the Porte Dauphine on the edge of the Bois de Boulogne. It is the widest avenue in Paris and is lined with chestnut trees.