El Khroub (Arabic: الخروب) is a town and commune in Constantine Province, Algeria. According to the 2008 census it has a population of 179,033.[1] 10 km east of the city, on the National Road 20, there is the site of Bou Nouara known for its dolmens. .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-parser-output .geo-inline-hidden{display:none}.mw-parser-output .longitude,.mw-parser-output .latitude{white-space:nowrap}36°16′N 6°42′E / 36.267°N 6.700°E / 36.267; 6.700