- Annaba is a coastal city located in the northeastern part of Algeria, on the Mediterranean Sea. It is the fourth-largest city in Algeria and serves as an important economic and industrial hub. Annaba is known for its beautiful beaches, such as Les Aiguades and Sidi Salem, which attract tourists and locals alike. The city also has a rich history, with landmarks like the Basilica of Saint Augustine and the ancient Roman ruins of Hippo Regius. Annaba has a diverse population, with a mix of Arab, Berber, and French influences. It is known for its vibrant culture, including music, art, and cuisine.