The State Castle of Český Krumlov, with its architectural standard, cultural tradition, and expanse, ranks among the most important historic sights in the central European region. In 1992 the entire complex was included onto the list of UNESCO World Cultural Heritage Monuments. The castle area is one of the largest in central Europe. It is a complex of forty buildings and palaces, situated around five castle courts and a castle park spanning an area of seven hectares.

Sources, related links:
Wikipedia - Český Krumlov
Оfficial site