Svatý Jan pod Skalou is a village in the Central Bohemian Region, Beroun district, about 30 km southwest of Prague and less than 5 km east of Beroun. It is located in the heart of the Bohemian Karst Protected Landscape Area and, together with Karlštejn and ancient Tetín, is one of the most interesting tourist districts of the district. 173 people live here.