Pretty sure this is the castle they used in Van Helsing. I must go to it The greatest Gothic-style castle in Romania, Hunyad, aka. Corvinesti castle was built by the Anjou family on the site of a former Roman camp.
Romania Travel Inspiration - Hunedoara Castle, Romania is a Gothic-Renaissance castle in Hunedoara, Romania. It is one of the largest castles in Europe and figures in a top of seven wonders of Romania.