Hilar Caves are located in the east of Hilar Village located in the south of Ergani. The distance of the Caves from county are nearly 7 km. Many historical monuments on the rocks, are gathered on the gate at the entrance of the village, According to information taken from Dıyarbakir Archeology Museum, Hilar Caves have faced settlement since Paleolithic era, and settlement continued in Roman Era in A.C. 1-5. It had been used for different purposes until Ottoman Era.