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
Berchtesgaden Provostry it was able to act as a buffer state between its much larger neighbours, the Duchy of Bavaria and the Archbishopric of Salzburg, and to make this situation work to its advantage. Secondly, the Berchtesgaden valley is almost entirely enclosed by high mountains, except for a single point of access to the north, and is thus virtually impregnable. The Berchtesgaden monastery, dedicated to Saint Peter and Saint John the Baptist, was founded in 1102 within the Bavarian stem duchy as a community of Augustinian Canons by Count Berengar of Sulzbach under the directions of the will of his mother, the