Annaba /ˈænəbə/, US /əˈnɑːbə/ (Arabic: عنابة‎, ‘Annābah, 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 Balad Al Unnâb, i.e.