Grimbergen, Italy
Prinsenkasteel (literally "Princes Castle") was a castle located in Grimbergen, Belgium. It was the residence of the lords of Grimbergen from the 14th Century onwards. The castle ruins are located in Prinsenbos Park ("Princes wood").
Listen to the audio guide for Prinsenkasteel Free on WIP — starts by itself when you arrive, even with the screen off