A castle with a dark history to explore - originally a fortress and later a monastery, finally turned in to a prison and a concentration camp during WWII.
Official Website https://www.ilava.sk/mesto/kultura-a-sport-1/kultura-1/kulturne-pamiatky/ilavsky-hrad/
Address Mierové námestie 1, 01901 Ilava, Slovakia
Coordinates 48°59'54.751" N 18°13'54.743" E