Denizli is a city located in southwestern Turkey, in the Aegean region. It is the capital of Denizli Province and has a population of approximately 1 million people in its metropolitan area.Denizli is known for its hot springs, textile industry, and historical sites. One of the most popular tourist attractions in the city is the ancient Roman city of Hierapolis, which is located nearby and is home to a well-preserved amphitheater, hot springs, and other ruins.The city is also famous for its white travertine terraces known as the Pamukkale hot springs, which are a UNESCO World Heritage site. In addition to its historical and natural attractions, Denizli is a center of textile production and trade, with a variety of fabrics and garments produced in the city and exported to other parts of Turkey and the world.Denizli is also known for its cultural festivals, including the International Textile and Fashion Design Festival and the International Rooster and Nature Festival, which celebrate the city's textile industry and natural beauty, respectively.