Karlštejn is a picturesque town located in the Cesky Kras region of Central Bohemia, Czech Republic. The town is best known for its stunning Karlštejn Castle, which was founded in 1348 by King Charles IV. The castle is perched on a hilltop overlooking the surrounding countryside and is a popular tourist destination. The town itself is charming and full of historic buildings, cobblestone streets, and traditional Czech architecture. Visitors can explore the narrow alleyways, visit local shops and restaurants, and soak in the medieval atmosphere.