Ali Bitchin ordered the construction of the mosque in 1622. it is situated inside the UNESCO World Heritage Site Casbah of Algiers.
[1] Ali Bitchin was reportedly a man of non-Islamic origin whose name was Piccini or Puccini or Piccinino.
In 1599 he converted to Islam through Fathullah Khoja who owned the vessels, and chose the name Ali Bitchin.
[2] On the early days, the mosque had an area size of 500 square meters and consisted of three floors, three rooms, ten shops, a bakery, a hamam, a mill and an inn.
The French occupiers also knocked one of the doors of Ketchaoua Mosque and used it as a decoration of the newly converted church.