Original: The island is divided into eight municipalities, of which Portoferraio is the main one, the others; Campo nell'Elba, Capoliveri, Marciana, Marciana Marina, Porto Azzurro, Rio Marina, and Rio nell'Elba, are part of province of Livorno, for a total of about 30 thousand inhabitants, which increases considerably during the summer.
Simplified: The island is divided into eight communes: Portoferraio, Campo nell'Elba, Capoliveri, Marciana, Marciana Marina, Porto Azzurro, Rio Marina and Rio nell'Elba.