One of the fastest growing sectors of the economy of Turkey is tourism. Most tourists come from Germany, Russia, the Netherlands, Belgium, France and Great Britain. Receipts from tourism amount to 3.6 billion dollars. The main tourist centers are resorts on the coast of the Aegean and the Mediterranean Sea (Bodrum, Kusadasi, Antalya, Alanya), Istanbul, Cappadocia and the ancient monuments of culture: Troy, Mileta, Ephesus, Hierapolis, Pergamon, Antalya and others.