|Year first constructed||1970s|
|Tower shape||square building with light atop|
|Markings / pattern||white|
|Tower height||24 metres (79 ft)|
|Focal height||42 metres (138 ft)|
|Light source||main power|
|Range||17 nautical miles (31 km; 20 mi)|
|Characteristic||Fl (3) W 12s.|
|Managing agent||Office Nationale de Signalisation Maritime|
Sidi Fredj 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. It is the site of the ancient city and bishopric Obori, which remains a Catholic titular see.
Obori was important enough in the Roman province of Mauretania Caesariensis to become one of the many suffragans of its capital Caesarea Mauretaniae's Metropolitan Archbishopric, but faded like most sees in Roman Africa.
Sidi Fredj was the landing spot where the French established their beachhead for the Invasion of Algiers in 1830. A number of ships of the French Navy were subsequently named Sidi Ferruch, the colonial name of the town under French rule, in honour of the event.
The diocese was nominally restored in 1933 as Titular bishopric of Obori (Latin) / Obori (Curiate Italian) / Oboritan(us) (Latin adjective).
It has had the following incumbents, so far of the fitting Episcopal (lowest) rank :