Chabab Riadhi Baladiat Aïn Oussara, known as CRB Aïn Oussera or CRBAO for short, is an Algerian football club based in Aïn Oussera, Djelfa. The club was founded in 1947 and its colours are green and white. Their home stadium, 1 November 1954 Stadium, has a capacity of 8,000 spectators. Wikipedia