Arsenal will face eight-time winners and current holders Lyon in the Women's Champions League group stage.
Chelsea will play Real Madrid, who knocked Manchester City out in qualifying, and last year's semi-finalists Paris St-Germain.
Arsenal, the only English team to win the competition, will also play Juventus and Zurich in Group C.
Last season's runners-up Barcelona will take on Bayern Munich, Rosengard and Benfica.
European debutants Roma are in a group with two-time winners Wolfsburg, Slavia Prague and St Polten.
More to follow.
