|Appearances||"His Last Bow"|
Vienna was the capital of Austria-Hungary, and the epicentre of the Austro-Hungarian Empire.
Sherlock Holmes and John Watson share a bottle of prized Imperial Tokay to celebrate their capture of the German spy Von Bork. Holmes tells Watson that their captive assured him the wine was from Emperor Franz Joseph's personal cellar in Vienna's Schönbrunn Palace.
Professor Moriarty is implied to have organised a terrorist bombing in this city, presumably as a demonstration of his network and capabilities.