El Hadjar is a location situated within the context of Algeria's geography. While specific details regarding its unique landmarks are not provided in the primary source material, it is associated with the broader region of Annaba Province.
The neighboring city of Annaba serves as a major seaport and industrial hub in the northeastern corner of the country, near the Tunisian border. This area is characterized by its proximity to the Seybouse River and its status as a significant population center in Algeria.