İzmir is the third-largest city in Turkey and the largest port in the Aegean Sea region. It is a major cultural center, having numerous museums, theaters, cultural centers, and festivals. It is one of the most visited cities in Turkey, and is known for its beaches, nightlife, and historical sites. It is also home to several universities and business schools. The city is known for its diverse cultural heritage, with influences from both Eastern and Western societies. Popular tourist attractions include the Ancient Agora of Smyrna, the Kadifekale Castle, the Clock Tower, and the Izmir International Fair.