Vienna is the capital city of Austria with some 1.55 million residents.
Vienna is divided into 23 districts that are not known by name but by the numbers 1 - 23, similar to Paris and Prague.
The other main cities in descending order are:



Graz approximately 223,000

Linz approximately  181,000

Salzburg approximately  143,000

Innsbruck approximately  113,000

Wels approximately  58,000

Dornbirn approximately  43,000