What is Vienna's nickname?
City of Music.
Does it have another nickname?
Yes.
What is it?
The City of Dreams.
Why?
It was home to Sigmund Freud.
Was it a music center in Europe?\
Yes.
What types of architecture can be found in the historic areas?
Baroque.
Are there any castles there?
Yes.
Monuments?
Yes.
What era of music is historically famous there?
Age of Viennese Classicism.
Where is Vienna located?
Vienna is the capital and largest city of Austria
It's one of how many states there?
Nine.
How many people live there?
1.8 million.
Does that include the metro area?
No.
How many people live there if you include that?
2.6 million.
Is that a big part of the total people living in Austria?
Yes.
How big of a part?
Nearly one third.
Are any major international organizations based there?
Yes.
Like what?
OPEC.
Is it considered to be a World Heritage in Danger?
Yes.
Since when?
July 2017.