84 Avenue Foch 84 Avenue Foch 84 Avenue Foch () was the Parisian headquarters of the Sicherheitsdienst, the counter-intelligence branch of the SS during the German occupation of Paris in World War II. The Avenue Foch is a wide residential boulevard in the 16th arrondissement that connects the Arc de Triomphe with the Porte Dauphine. During the German occupation of northern France, the buildings at numbers 82 and 86 - either side of 84 - were also commandeered by the German occupation forces. Number 84 was used for the interrogation of allied SOE agents captured in France. Prisoners were regularly brought to the
Avenue Foch of chestnut trees and decorated along its full length by ornamental lawns and gardens with exotic flowers and plants. It was, in fact, an extension of the Bois de Boulogne, and connected directly with the avenues and paths of the park. It opened in 1854, was immediately popular with Parisians, but it did not keep its name for long. After the downfall of Napoleon III in 1870, the name was changed from Avenue de l'Impératrice to avenue du Général-Uhrich, and then 1875 to Avenue du Bois de Boulogne. It was changed again in 1929 to Avenue Foch, after the hero