Sidi Fredj, known under French rule as Sidi Ferruch, is a coastal town in Algiers Province, Algeria. It is located within the territory of the municiā¦Sidi Fredj, known under French rule as Sidi Ferruch, is a coastal town in Algiers Province, Algeria. It is located within the territory of the municipality of Staouéli, on a presque-isle on the Mediterranean Sea.