Annaba is a port city in northeast Algeria. Local attractions include the main street with a broad central promenade, architecture that reflects the city’s French colonial past. Why is there a church in a predominantly Muslim City- Your Expert guide will explain that and many more. The church of St. Augustine Basilica, completed in 1900, towers on a hill to the south. Below it sprawls the ruined city of Hippo Regius, with the remains of Roman villas and baths. Why is Annaba an important city in Africa- The city boasts of the largest steel complex in Africa. What is unique about the city- Annaba is at the center of one of the most beautiful coastal regions in the western Mediterranean.