[1] The latter, located west of Annaba and north of Constantinois, is the most watered region of Algeria, with more than 1,200 millimetres (47 in) per year.

Lying between the Skikda Valley in the east and the Rhumel River in the west and strongly advancing towards the Mediterranean Sea: the Cap Bougaroûn, is the northernmost point of Algeria.

[4] The population of the Collo massif was a peasant society in the full sense of the term: a complete sedentary lifestyle, a strong attachment to the land, a careful development.

Its social structure was strong, governed by customary rules, the land was privatized with status melk.

[5] The Collo massif is, like the Small Kabylie and the Edough, populated by Arabized Berbers long-time but leading a sedentary life.