Ischia is the main town on the island of Ischia and is situated at the north-east end of the island. It covers about 9 square kilometers and has a population of 16.013 inhabitants. The average altitude is 70 meters. Situated on the eastern side of the island it stretches from the hills of St. Alexander to the Aragonese Castle.
The territory was divided into two main areas: Ischia Port, which used to be called the Villa of the Baths in ancient times due to the many spas and Ischia Ponte (Bridge), which was once known as the Borgo of Celsa. Other quarters are S Michele, S Antuono, Campagnano, S Alessandro and S Ciro.
Ischia Porto, formerly known as Villa Bagni is the trading part of the town, situated on the eastern side of the island it boasts the main port. The port is famous not only for its form and history but also as the largest port in Italy used by small craft sailors. Main sights of the harbour district are the Church of San Pietro a Pantaniello and the Church of Santa Maria di Portosalvo. Worth a visit is as well the islands little museum, the Garden of Remembrance and the lighthouse.
Ischia Ponte (once known as Borgo Celsa) is first and foremost famous for its Aragonese castle and the fifteenth century Aragonese bridge which links the island to the mainland. The castle is built on a rocky promontory. Entrance is through a gallery carved from the rock, by order of Alfonso I of Aragon in 1447. In the small streets of this picturesque ancient fisher’s village there are also many buildings from the Renaissance. Have as well a look at the fourteenth century cathedral which was rebuilt in the baroque style but is now a semi-ruin, and the former convent of the Poor Clares with the attached eighteenth Church dellImmacolata.