Testour ( ) is a small town located in the north of Tunisia. The town is perched on the hills of Medjerda Valley, 20 km south-west of Medjez-el-Bab, the crossroads between Tunis, Béja, and the north of Tunisia. Although it has been knownn ,during the roman period, as Tichilla which means the green grass as it is situated in the mouth of Siliana valley , it has been rebuilt by Muslim refugees from Andalusia who gave it its character in building and layout.