Napoli have been drawn in Group C in the Champions League alongside Real Madrid, Braga and Union Berlin.
Napoli have never previously faced Braga or Union Berlin in a competitive match.
Here are the results of the previous four occasions on which the Azzurri have taken on the Spanish giants:
Real Madrid 2-0 Napoli: European Cup first round, 16/9/87
Napoli 1-1 Real Madrid: European Cup first round, 30/9/87
Real Madrid 3-1 Napoli, Champions League last 16, 15/2/17
Napoli 1-3 Real Madrid: Champions League last 16, 7/3/17
Carlo Ancelotti’s side finished second in LaLiga last season.
Braga finished third in the Portuguese top flight last campaign and have reached the group stage of the Champions League thanks to getting through two qualifying rounds:
Backa Topola 1-4 Braga
Braga 3-0 Backa Topola
Braga 2-1 Panathinaikos
Panathinaikos 0-1 Braga
Union Berlin’s fourth-placed finish in the Bundesliga last season earnt them direct qualification for the group stage.