Yes, Crete is part of the European Union. Crete is the largest island in Greece, and Greece has been a member of the European Union since January 1, 1981. As a result, Crete, being a region of Greece, is also included in the European Union.
Being part of the EU means that Crete adheres to EU laws and regulations, benefits from EU policies, and uses the Euro as its currency. The island also participates in various EU programs and initiatives aimed at promoting economic development, environmental protection, and cultural exchange.