Providing excellent views of the city, the surrounding area and the sea is the town's 11th and 12th century castle which overlooks the town. (directferries.com)
The old city center is atmospheric and the 15th century castle, perched high above the town, is worthwhile. (off-the-beaten-track.net)
It is a late 16th century castle with a museum inside and provides panoramic views from the top of the castle. (tourlina.com)