OPAP – Greek Organisation of Football Prognostics S.A. is a Greek company organizing and conducting games of chance. It is headquartered in Athens and for many years OPAP was a state-owned gambling monopoly. The company holds the exclusive rights to organize and manage numerical lotteries and sports betting in Greece. In 2013 the privatization of the company was completed through the sale of the State's remaining 33% stake to the Emma Delta investment scheme. Wikipedia