Ischia stands out as the largest volcanic island in the Tyrrhenian Sea, the port itself nestling on an ancient crater. Its dark volcanic-sand beaches and alkaline thermal springs have made it one of the largest spas in Europe and a popular retreat for centuries.
![Discover the island of Ischia](https://culturalitaly.com/wp-content/uploads/2023/11/Ischia-AragoneseCastle-2-800x675.jpg)