التوزيع الجغرافي للبربر والعرب بالمغرب الأوسط (ق 5-6هـ/11-12م).

The ethnicity of the most inhabitants of the Maghreb and especially Algeria are Berbers then Arabs, after the Banu Hilal immigration, in the 11th century. Many political and economical factors participate to movement of immigration. Inside Algeria the Banu Hilal tribes didn’t choose residences for a long time, they still moving in the country under the climatic and political influences, this what I have to explain in my article.