The most visited sights of the city include the Špilberk Castle and fortress and the Cathedral of Saints Peter and Paul on Petrov hill, two medieval buildings that dominate the cityscape and are often depicted as its traditional symbols. The other large preserved castle near the city is Veveří Castle by Brno Reservoir. Another architectural monument of Brno is the functionalist Villa Tugendhat, which was added to the UNESCO list of World Heritage Sites in 2001. One of the natural sights nearby is the Moravian Karst. The city is a member of the UNESCO Creative Cities Network and has been designated as a "City of Music" in 2017.
(adapted from https://en.wikipedia.org/wiki/Brno)
What to do in Brno?
The websites www.ticbrno.cz and www.gotobrno.cz/en have a wealth of valuable information about where to go and what to do in Brno.