Chiauci is a comune (municipality) in the Province of Isernia in the Italian region Molise, located about 25 kilometres (16 mi) northwest of Campobasso and about 15 kilometres (9 mi) northeast of Isernia.
Chiauci borders the following municipalities: Civitanova del Sannio, Pescolanciano, Pietrabbondante, Sessano del Molise
41.6780726,14.3858838