The town of Gagliano Aterno is located in the south part of the mountain range of Sirente. The area is characterized by becch and pine trees, that provide a stunning natural background to the town.
The town was built during the Roman era, when the Subequana valley was inhabited by the Italic population of Peligni. One of the main places of interests of the town, the church of Santa Chiara, was built during the 13th century. You can also visit the church of San Martino and the medieval fountain.
Here you can also visit and ancient castle that was renovated starting from 1328. You can still see the main structure, the windows, and a large portico. There are some remains of the walls and of a small circular tower that evoke the characteristics of the 15th century buildings.