Denizli is a growing industrial city in the Southwestern part of Turkey and the eastern end of the alluvial valley formed by the river Büyük Menderes, where the plain reaches an elevation of about a hundred meters. Denizli is located in southwestern Turkey, in the country's Aegean Region.
The city has a population of about 511,751 (2011 census). It jumped from 389,000 in 2007, due to the merger of 13 municipalities and 10 villages. The area of Denizli Municipality has increased almost five times and the population increase become around 50 percent. Denizli (Municipality) is the capital city of Denizli Province.
Denizli has achieved a remarkable economic development in the last decades based notably on textile production and exports. Having become a vibrant center of manufacturing focused on exportation, Denizli is frequently cited, along with a number of other Turkish cities, as one of the foremost examples of "Anatolian Tigers" in reference to its rapid pace of development.
Denizli also attracts many visitors to the nearby mineral-coated hillside hot spring of Pamukkale, and with red color thermal water spa hotels Karahayıt, just 5 km north of Pamukkale. Recently, Denizli becomes a major domestic tourism destination due to the various types of thermal waters in Sarayköy, Central/Denizli (where Karahayıt and Pamukkale towns are located), Akköy (Gölemezli), Buldan (Yenicekent), Çardak districts.
The ancient ruined city of Hierapolis, as well as ruins of the city of Laodicea on the Lycus, the ancient metropolis of Phrygia. Also in the depending of Honaz, about 10 miles west of Denizli is, what was, in the 1st century AD, the city of Colossae.
The weather is hot in Denizli in summers, whereas in winters, it may occasionally be very cold with snow on the mountains that surround the city. Some years, snow can be observed in the urban areas. Springs and autumns are rainy, mild climate, warm.