Ruins of a basillica in Işıkkale
|Location||Silifke, Mersin Province, Turkey|
|Periods||Hellenistic Age to Byzantine Empire|
Işıkkale (literally the castle of light) is an ancient settlement in Turkey.
Işıkkale is at Silifke ilçe (district) of Mersin Province. Its distance from Silifke is 17 kilometres (11 mi) and from Mersin is 77 kilometres (48 mi). Işıkkale is between two other archaeologically important sites; Karakabaklı and Sinekkale.in the rural area of
The visitors follow the Turkish state highway which runs in parallel to Mediterranean Sea coast. 1 kilometre (0.62 mi) west of Atakent, the visitors turn to north for about 6 kilometres (3.7 mi). The settlement is sitıuated on both sides of the road.
The original name of the settlement is not known. It dates back to Hellenistic, Roman and the early Byzantine ages. There are many buildings, cisterns wine and olive oil presses. In most of the buildings poygonal masonry is used .  But there are also buildings of a later era such as a three-Nave bassilica.