The Ciutadella de Roses is a 16th century construction that houses an archaeological site where there are vestiges of various historical periods. From remains of the Greek colony of Rhode (4th century BC) to the Renaissance fortification that gives it its name, passing through Visigothic or late-Roman sites.
In the middle of the city of Roses is the citadel, a museum. It is an archaeological site with Greek, Roman and Visigoth finds and a ruined medieval monastery.