Algiers / Hydra
Hydra
Population
31,133
RGPH 2008 · ONS
Wilaya
Postal code
16016
Phone code
+213 21
021 from inside Algeria
Time zone
UTC+1
no summer time
About Hydra
Hydra (in Arabic حيدرة) lies on the plateau of western Algiers, at about 205 m above sea level. It belongs to the Bir Mourad Raïs circonscription administrative, one of the 13 groups of communes created by decree 26-112 of 8 March 2026. It had 31,133 inhabitants at the 2008 census (ONS).
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