Castelluccio is a village in Umbria, in the Apennine Mountains of central Italy. Administratively, it is a frazione of the ca. 28 km distant town Norcia. According to the 2001 census, it had close to 150 inhabitants.
Wikipedia https://en.wikipedia.org/wiki/Castelluccio,_Norcia
Coordinates 42°49'43.593" N 13°12'27.545" E