Ketchaoua Mosque, Ottoman mosque in Casbah of Algiers, Algeria
The Ketchaoua Mosque is a religious building in Algiers' Casbah with two octagonal minarets framing its main entrance. Inside, the space features columns of veined marble and white marble interior arcades that run through the prayer hall.
The building was constructed in 1612 during Ottoman rule and later repurposed as a church during colonial administration. After Algeria's independence in 1962, it was restored to serve once again as a place of Islamic worship.
The building reflects layers of different faiths and influences through its architecture, with design choices that show how Mediterranean and Islamic traditions shaped the space. Walking through it, you notice how these elements were woven together in its decorative details and structural features.
The mosque sits at the base of the Casbah district and is reached by climbing a flight of 23 steps to the main entrance. Visitors should wear respectful clothing and be aware of any prayer times when planning their visit.
The site has been recognized as part of a UNESCO World Heritage designation since 1992, making it one of the most historically layered structures in the region. Its walls bear witness to multiple faiths and governing powers that shaped North African history.
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