| Aragonese Castle | |
|---|---|
Castello Aragonese | |
| Italy | |
 Aragonese Castle | |
  Aragonese Castle | |
| Coordinates | 40°43′54″N 13°57′53″E / 40.7318°N 13.9647°E |
| Site history | |
| Materials | Limestone |
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Aragonese Castle (Italian: Castello Aragonese) is a castle built on a small tidal island east of 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 (Ponte Aragonese).