Ciutadella de Roses ("Citadel of Roses"; Spanish, Ciudadela de Rosas) is a ruined fortification in the municipality of Roses, Alt Empordà comarca, Province of Girona, Catalonia, Spain. There are various buildings in its surrounds, such as the Castell de la Trinitat, as well as the monastery Santa Maria de Roses, the country's earliest known example of the Lombard architectural style.