Annaba (Arabic: عنّابة lit "Jujube Town", Berber languages: Aânavaen), formerly known as Bona, and then Bône, is a seaport city in the northeastern corner of Algeria, close to Tunisia. Annaba is close to the small Seybouse River, and it is in the Annaba Province. With a population of about 260,000 (2008), Annaba is the fourth largest city in Algeria. It is a leading industrial center in eastern Algeria.Annaba is a coastal city that underwent significant growth during the 20th Century. Annaba has a metropolitan area with a higher population density than the other metropolitan areas of the Algerian coastline, such as Oran and Algiers. Much of eastern and southern Algeria uses the services, equipment, and infrastructure of the Annaba. Economically, it is the center for various economic activities, such as industry, transportation, finance, and tourism.