From the sprawling "United Islands of Prague" music festival to the "Czech Christmas Markets" (which are free to wander), the calendar is packed with open-air events. In spring and summer, almost every weekend brings a food festival, wine festival, or historical reenactment to a public square, all accessible without an entrance fee.
The Prague Municipal Library ( Městská knihovna v Praze ) is not just for bookworms. It hosts free exhibitions, concerts, and workshops. The library's central building on Mariánské náměstí is an architectural gem and features the famous "Idiom" sculpture—a towering tunnel made of books that you can enter for free. czech bitch free