Fachi is an oasis surrounded by the Ténéré desert and the dunes of the Erg of Bilma in eastern Niger, placed on the western edge of the small Agram mountain outcropping. It has an estimated population of some 2000 people. A stopping point of the Agadez to Kaouar caravans of the Azalay, Fachi is 150 miles west of Bilma and 200 miles east of the Aïr Mountains.