This could be  "historic=pillory" ,

as there is statue of Holly Trinity, 
https://www.google.sk/maps/@48.2093132,18.4652521,3a,47.4y,167.67h,90.96t/data=!3m9!1e1!3m7!1sgciRDYk4AaahCr9PpVeRqQ!2e0!7i16384!8i8192!9m2!1b1!2i44

not actually a building as kapor2 may claim