Sicily is not an independent country; it is an autonomous region of Italy. Geographically, it is the largest island in the Mediterranean Sea and lies just off the southern tip of the Italian peninsula. Politically, it has its own regional government and parliament, but its residents are Italian citizens and hold Italian passports.
Culturally, Sicilians have a distinct identity shaped by millennia of Greek, Arab, Norman, and Spanish influences. This unique heritage is reflected in the island's language (Sicilian), cuisine, architecture, and traditions. However, legally and internationally, Sicily is part of the Italian Republic.
So while Sicilians proudly celebrate their regional culture, they are unequivocally Italian nationals.