Casamicciola Terme (springs) covers 5.6 square kilometres and has a population of 6,784 inhabitants. It ranges from 0 metres above sea level to 788m near the volcano of Epomeo. The town territory is divided into the hamlets Perrone, Castiglione, Piazza Bagni, La Rita, La Sentinella and Piazza Maio.
Casamicciola town added 'Terme' to its name in 1956 due to the numerous springs found in the area. These can be especially found in 'Castiglione', 'La Rita' and Piazza Bagni where most of the hotels and spa resorts are situated. Some of the most notable are: Gurgitello, Tamburro, Oro, Argento, Ferro, Occhio and Colata. A famous and international clientele, namely Lamartine, Renan, Ibsen and Garibaldi, has always visited Casamicciola.
There are few historical monuments due the continuous telluric movements (the last one was in 1883). There is the Pio Monte della Miseracordia, the first spa resort, the church of Buon Consiglio, the church of San Gabriele, the noble church dedicated to St Francis of Assisi, the church of the Immacolata, the Geophysical Observatory founded by Giulio Grablovitz. Outings to the surrounding hills, to the bottom of the craters Oglio and Cretaio or to the top of Mount Epomeo are popular.