Berchtesgaden the Obersalzberg. In order to serve as an outpost of the German "Reichskanzlei" (Imperial Chancellery), Berchtesgaden and its environs ("Stanggass") saw substantial expansion of offices, security, and support services, mainly on the Obersalzberg. Included in the town were a new railway station, with a reception area for Hitler and his guests, and an adjacent post office. The Berchtesgadener Hof Hotel, where famous visitors such as Neville Chamberlain and David Lloyd George stayed, was substantially upgraded. The "Kehlsteinhaus" (known as the "Eagle's Nest" among the Allies) atop the Kehlstein subpeak of the Hoher Goll was built as a present for Hitler's
Fortified Sector of the Lower Rhine March 1940, also known as the Strasbourg Division. At this time the Herrlisheim sub-sector passed to the control of the neighboring Fortified Sector of Haguenau. At the midpoint of the Battle of France on 1 June 1940, the fortress troops of the 103rd DIF amounted to two fortress infantry regiments in four battalions plus one regular infantry regiment with three battalions, comprising 485 officers and 15,500 men. The sector includes the following major fortified positions. The casemates were generally about apart, with gaps in areas of marshy ground or old sections of the Rhine. 172nd Fortress Infantry Regiment ("172 Régiment