Biledulgerid was formerly a country in Northern Africa, south of Mount Atlas

Atlas Mountains

The Atlas Mountains is a mountain range across a northern stretch of Africa extending about through Morocco, Algeria, and Tunisia. The highest peak is Toubkal, with an elevation of in southwestern Morocco. The Atlas ranges separate the Mediterranean and Atlantic coastlines from the Sahara Desert...

, bounded on the north by Tunis, on the west by Algiers and the Sahara, on the east by Tripoli, supposed to be about 180 miles square.

Contemporary account

Berbers

Berber people

Berbers are the indigenous peoples of North Africa west of the Nile Valley. They are continuously distributed from the Atlantic to the Siwa oasis, in Egypt, and from the Mediterranean to the Niger River. Historically they spoke the Berber language or varieties of it, which together form a branch...

 lived here, along with Negroes and Arabs. A large proportion of the young men are destroyed by the change of climate to which they are thus exposed, as also by bad nourishment and epidemic fevers. Certain parts of this country, called Dara, Tasilet and Segelmesse, belong to Morocco; to Algiers belongs Wadreag, and to Tunis Tozer

Tozeur

Tozeur is an oasis and a city in south west Tunisia. The city is located North West of Chott el-Djerid, in between this Chott and the smaller Chott el-Gharsa. It is the capital of the Tozeur Governorate....

. Gaelernes, WelledSidi and Mosselemis are independent. Little is known of the customs, laws, &c, of the inhabitants.