Portoferraio's mighty fortification was built in 15th and 16th century and protected the city from Turkish invasions. Must-see.
Info Elba http://www.infoelba.com/island-of-elba/territory-history/places-to-see/forts-fortresses/medicean-ramparts/
Phone +39 565 944 024
Address 26 Via Falcone, Portoferraio 57037, Italy
Coordinates 42°48'55.142" N 10°19'39.71" E