Casacalenda borders the following municipalities: Bonefro, Guardialfiera, Larino, Lupara, Montorio nei Frentani, Morrone del Sannio, Provvidenti, Ripabottoni.
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Duncan, British Columbia also has a sizeable community per its population.
A prolific poet, novelist, and playwright, Melfi was born in Casacalenda, a small mountain town south of Rome in 1951.