Bir Gandouz Centre - Lamhiris

the original name of the locality is Lamhiriz  -  derived from the name of the surrounding countryside: Gryer Lamhiriz
Lamhiriz (hassani) is the name of the cupreous pestle to mold Henna, wholes spices, cumin, salt ... 

The new naming by Morocco is "Bir Gandouz Centre" based on the name of the village of Bir Gandouz, 57 km south-southeast, through which the connection to Mauritania ran before the RN1 was built.