Ali Bitchin Mosque, also Zawj Euyun Mosque, is a historic mosque located inside the Kasbah of Algiers in the city of Algiers, Algeria. It was built in 1622 AD by Ali Bitchin who was a Grand Admiral of Algiers of non-Islamic origin (He was Christian converted to Islam and was believed to be born with the family name of Piccini or Puccini or Piccinino in Venice, Italy). The mosque was inscribed as a UNESCO World Heritage Site in 1992 as part of Kasbah of Algiers.