Used the protect the eastern part of the city and the harbor. Nowadays, concerts and various events are held here.
Wikipedia http://hr.wikipedia.org/wiki/Tvr%C4%91ava_Revelin
Info http://www.tzdubrovnik.hr/lang/en/get/spomenici/5351/tvrdava_revelin.html
Address 9 Svetog Dominika, Dubrovnik 20000, Croatia
Coordinates 42°38'31.858" N 18°6'44.677" E