The municipality of Bir El Mecherga was established by Order No. 566 of 1985 dated April 6, 1985.

It is located north of the city of Zaghouan, the capital of the governorate. It covers an area of ​​31,146 hectares and has a population of 14,604 according to the latest statistics for the year 2014.

Despite its recent formation, it is the third most industrially developed region in the Zaghouan Governorate, with 28 industrial establishments employing a significant proportion of the workforce. The region is also distinguished by its agricultural character in the field of irrigated agriculture, thanks to the waters of the Bir al-Masharqa Dam..