Quiz of Radio Prague for the month of February 2023

On the first day of the month Radio Prague will announce the month’s quiz question on this site. At the end of every month we will draw six winners from the correct answers received.
In February carnivals take place in many Czech cities, towns and villages. The Czech Mardi Gras celebrations are particularly colorful in southern Bohemia, Chodsko, Doudlebsko and southern Moravia. What is the name of the place where the carnival tradition is so unique and authentic that it was placed on the UNESCO Intangible Cultural Heritage List in 2010?
Via