Used to hold a stronghold, as its name implies. People were also jailed there. Not much of the old fortress remains, but the Fortress Hill is worth climbing, for the view.
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Dealul Cetății
The Transylvania Hotel (also known to the locals as Belvedere) was built on top of the hill, and besides the great view offers a good restaurant as well. The hill can be climbed by stairs from the centre of the city. On the way you will also find a large iron cross monument. A walkway circles the crown of the hill just below the hotel, offering a nice view of the city. The fortress is a citadel-shaped earthen wall and an empty moat around the hotel area.
Muzeul Național de Istorie a Transilvaniei