Algiers is the administrative, political and economic capital and largest city of Algeria as well as the capital of the Algiers Province. The city's pop…Algiers is the administrative, political and economic capital and largest city of Algeria as well as the capital of the Algiers Province. The city's population at the 2008 census was 2,988,145 and in 2020 was estimated to be around 4,500,000. Located in the north-central part of the country, it extends along the shores of the Bay of Algiers in the heart of the Maghreb region making it classified among the biggest cities in North Africa, the Arab world and the Mediterranean Sea, making it a major center of culture, arts, gastronomy and trade.