Annaba , (, , formerly Bône or Bona, historically Hippo or Hippo Regius) is a city in the northeastern corner of Algeria near the Seybouse River. It is located in Annaba Province. With a population of 257,359 (2008), it is the fourth largest city in Algeria. It is a leading industrial centre in eastern Algeria. Most of the people call this city بلد ألعنب Balad al-Unnâb, i.e. the city of jujubes, because of the abundance of this fruit in the area.