The Ministry of Religious Affairs and Wakfs is a ministry of Algeria. Its head office is in Hydra, Algiers.

Hydra is a commune in the province of Algiers, Algeria. It is located in Bir Mourad Raïs district, in the plateau of western Algiers, the wealthier part of the national capital. It was heavily affected during the 11 December 2007 Algiers bombings.