Longano
Longano is a comune in the Province of Isernia in the Italian region of Molise, located about 35 km west of Campobasso and about 9 km south of Isernia. As of 31 December 2017, it had a population of 680 and an area of 27.1 km²
Area: 10.46 sq miles (27.1 km²)
Province: Province of Isernia

Monteroduni
Monteroduni is a comune in the Province of Isernia in the Italian region Molise, located about 40 km west of Campobasso and about 11 km southwest of Isernia. The town's name derives from the ancient one of the river Volturno, Olotrunus.
As of 2017, it had a population of about 2100
Area: 14.29 sq miles (37 km²)
Province: Province of Isernia

Sant'Agapito
Sant'Agapito is a comune in the Province of Isernia in the Italian region Molise, located about 40 km west of Campobasso and about 6 km south of Isernia. As of  2018, it had a population of 1,450 and an area of 15.8 km².
Area: 6.1 sq miles (15.8 km²)
Province: Province of Isernia

Province of Isernia
The Province of Isernia is a province in the Molise region of Italy. Its capital is the city of Isernia. It has an area of 1,529 km², and a total population of 89,775. There are 52 comunes in the province.
Area: 590.3 sq miles (1,529 km²)