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An estimated 4.325 million people lived in the Algiers urban area in 2025. It is the third-largest city on the Mediterranean and the capital of Algiers Province, though the city itself spans many communes without a separate governing body.

Coastal roads follow the Bay of Algiers while the network grows tighter and more irregular inland. Broader later avenues cut through older street patterns before the city meets the plain and surrounding ranges.

The 4.5 km Algiers frame pairs dense central and historic districts with part of the Mediterranean waterfront. Broader roads and later development enter farther from the core.

Pale land and deep blue water separate the bay from the hillside streets. Dense charcoal linework gives the historic core its weight.

Geographic details sourced from Wikipedia.