Algeria UK /ælˈdʒɪəɹi.ə/US /ælˈdʒɪɹi.ə/ noun4 •A country in North Africa. Official name: People's Democratic Republic of Algeria. Capital and largest city: Algiers. •The People’s Democratic Republic of Algeria, since 1962. •(historical) Ottoman Algeria, also the regency of Algiers or al-Jazā’ir in Arabic, from 1515 to 1830.Engels welcomed the United States' conquest of territory from Mexico and the French colonization of Algeria: the Bedouin were a race of bandits anyhow. — 1978 •(historical) French or Colonial Algeria, from 1830 to 1962.