Denizli is an 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 three hundred and fifty metres. Denizli is located in the country's Aegean Region.
The city has a population of about 646,278. This is a jump from 389,000 in 2007, due to the merger of 13 municipalities and 10 villages when the area under Denizli Municipality jurisdiction increased almost fivefold and the population around 50 percent. Denizli is the capital city of Denizli Province.
Wikipedia https://en.wikipedia.org/wiki/Denizli
Coordinates 37°46'59.935" N 29°5'4.139" E