Vienna

Vienna was a city in Austria.

Visits by the Doctor
Vienna was particularly favoured by the Eighth Doctor. He left Samson and Gemma Griffin in Vienna while answering a distress signal from his future self. (AUDIO: Mary's Story) Later, he took Mary Shelley there on her very first journey in the TARDIS, attempting to reunite with Samson and Gemma. However, he got the date wrong and landed in 1873 instead of 1816. On this trip, he and Shelley battled Cybermen. (AUDIO: The Silver Turk) On another occasion, he battled a Bacchanite in Vienna and in the process inspired Johann Wolfgang von Goethe to write Faust. (PROSE: The Sorrows of Vienna)

The Fifth Doctor and Peri also visited Vienna in 2100, if only long enough to deposit the Time Lord Techu there. (PROSE: Leap Second)

The Tenth Doctor once visited Vienna. He went to the Vienna State Opera to see Puccini's grand opera Turandot. The alien Anton Mordillo was the star of the opera. (COMIC: The Great Mordillo)

Other visitors
Sherlock Holmes and John Watson went on holiday to Vienna on the Orient Express. (PROSE: All-Consuming Fire) Indeed, Vienna was highly significant to Europe's railway network, being a stop on the Transcontinental Express as well. On 3 September 1939, Romana II rode the Calais-Vienna leg of that journey. (AUDIO: A Blind Eye)

Honoré Lechasseur and Emily Blandish once travelled back in time to Vienna to ensure that Adolf Hitler was admitted into the Vienna Academy of Fine Arts. (PROSE: The Sideways Door)

Known residents
Wolfgang Amadeus Mozart was known to have lived in Vienna for a time, and indeed his DNA was once recovered from a harpsichord there and used to clone him. (AUDIO: My Own Private Wolfgang)

Toby the Sapient Pig was grown in a bell jar in Vienna. (AUDIO: Year of the Pig)

Hitler was educated in Vienna. (PROSE: The Sideways Door)

Johannes Rausch earned a degree in metallurgy at the University of Vienna. (AUDIO: Unregenerate!)

Other references
The clone of Bertie Potts, who introduced himself as the British consul in Ur, claimed that he was hoping for a posting in Vienna. (AUDIO: The Boundless Sea)