Miletus is an ancient city located in the Aydin province of Turkey. It was a major port city in the Aegean region, known for its rich cultural and architectural heritage. The city was established in the 11th century BC and played a significant role in the development of early Greek civilization. It was also a center of learning, with philosophers such as Thales and Anaximander hailing from Miletus. Today, the ruins of the city are a popular tourist attraction, showcasing its extensive theater, agora, and other well-preserved structures.