Baia Castle

Bacoli, Italy

The late 15th century Baia Castle was built by the  over ancient Roman ruins thought to be the summer residence of Julius Caesar. On the 29th September 1538 the great eruption, with devastating effects for all the Phlegraean Fieldsi, caused serious damage to the Castle of Baia too. The castle was restored and enlarged by the viceroy don Pedro Alvarez de Toledo.

Today, this cliffside Aragonese castle with sea views is home to the Archaeological Museum of Campi Flegrei.


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Via Castello 39, Bacoli, Italy
See all sites in Bacoli


Founded: 15th century
Category: Castles and fortifications in Italy

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4.5/5 (based on Google user reviews)

User Reviews

Pax (8 months ago)
Utterly not worth the walk to get to. The castle itself is ruined photogenically with excessive signage. Very little of the grounds are accessible. The museum inside has NO history about the castle itself, only a few small archeaological collections of roman and prehistoric findings from the area (which does not hold up in comparison to much better museums in Naples). Only positive thing I can say is the view across the bay is very nice.
Oliver Bradley (8 months ago)
Three layers of history on three floors - with wonderful panoramic views...
thomas braden (2 years ago)
Very nice to walk the grounds and castle wall, but the museum is small and seems to be missing, well a lot. The castle is beautiful and allows a wonderful place to stroll, and overlook the bay of Pozzuoli but the museum is small (or closed?) and lacks any sort of flow or map or understanding what’s on display. Yes there are signs in English and Italian, but they describe the individual items. There’s no comprehensive understanding of the museum or totality of the collection. I was here years ago and I remember being impressed, is the other part closed for renovations or?? They have a nice restroom and a few areas to sit in the shade. Worth a visit, but with reduced expectations for the museum.
Steve Hilton (2 years ago)
Wonderful castle with some amazing views over the Bay of Naples
Gaurav Chaudhary (3 years ago)
Aragonese Castle is a medieval castlenext to Ischia (one of the Phlegraean Islands), at the northern end of the Gulf of Naples, Italy. The castle stands on a volcanic rocky islet that connects to the larger island of Ischia by a causeway. The castle was built by Hiero I of Syracuse in 474 BC. At the same time, two towers were built to control enemy fleets' movements. The rock was then occupied by Parthenopeans (the ancient inhabitants of Naples). In 326 BC the fortress was captured by Romans, and then again by the Parthenopeans. In 1441 Alfonso V of Aragon connected the rock to the island with a stone bridge instead of the prior wood bridge, and fortified the walls in order to defend the inhabitants against the raids of pirates.
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