El Khroub (Amazigh: ⵍⵅⵔⵓⴱ, Arabic: الخروب) is a town and commune in Constantine Province, Algeria.

El Khroub is the second most populous commune in the wilaya of Constantine after Constantine,[3] according to the 2008 general population and housing census, the population of the commune is estimated at 179,033 inhabitants compared to 14,962 in 1977, it is the commune of the wilaya of Constantine that recorded the highest annual growth rate (7.3% compared to 1.5% for the wilaya as a whole), over the period 2008-1998.

[4] 10 km east of the city, on the National Road 20, there is the site of Bou Nouara known for its dolmens.

[5] Currently, the commune is composed of the capital agglomeration, El Khroub-ville, the secondary agglomerations of Salah Derradji, Brahmia Brothers, Ali Mendjeli, Oued Hamimine, Chelia, Allouk Abdellah, Aïn N'Hasse, Maoualkia and Darih.

The city is known for its weekly market, considered the second largest in eastern Algeria after Tadjenanet (wilaya of Mila).