What are the most common languages spoken in Skikda?

Skikda is one of the Algerian cities on the east side of the Algerian coast. Therefore, it has many important tourist beaches, with its port ranked second in terms of economic resource at the level of Algeria. Skikda was established on the banks of the Zarmana River, and it is also sandwiched between the Bouali hills on the west side, and the Skikda hills known as Bouakaz and on the east side, knowing that the part or the larger area of ​​the city is still buried and not clear until now, specifically that was built in the Phoenician and Roman eras. The city is known in the Phoenician language as Rosicada.