The entrance to the palace which houses the imperial sword is called what?
Imperial Regalia: The Imperial Regalia, also Imperial Insignia, (in German "Reichskleinodien", "Reichsinsignien" or "Reichsschatz") are the regalia of the Emperors and Kings of the Holy Roman Empire. Imperial Regalia:  The most important parts are the Imperial Crown, the Holy Lance and the Imperial Sword. Imperial Treasury, Vienna:  The entrance to the treasury is at the Schweizerhof (Swiss Courtyard), the oldest part of the palace, which was rebuilt in the sixteenth century in the Renaissance style under Holy Roman Emperor Ferdinand I.
Swiss Courtyard