Al Bab (الباب, ) is a Syrian city administratively belonging to the Aleppo Governorate. Al Bab is located northeast of Aleppo and has an area of 30 km². Al Bab has an altitude of 471 meters. It has a population of 144,705 as of 2007, making it the 8th largest city per geographical entity in Syria. The majority of the city's population is Sunni Muslim.