Can you identify today’s city without using Google?


Clues:
1) In the last 100 years the city has been a member of six different states.
2) The city-wide tram service was the very first in Europe. Locals proudly insist that the Austro-Hungarians modeled Vienna’s tram system on theirs.
3) The first Winter Olympic Games in Communist country were held in the city winning over Sapporo, Japan and Gothenburg, Sweden.
4) This city is famous for its well-preserved old bazaar.
5) Locals believe that whoever takes a sip from the fountain near Gazi Husrev-Bey Mosque will come back to visit the city in question!
Leave your answers in comments below. Thanks!