UCL draw: Arsenal face Bayern; PSG vs Real Madrid; Juventus welcome Man City
Arsenal will face Bayern Munich in the group stages of the Champions League having been drawn together in Group F.
The Gunners will also face Olympiakos and Dinamo Zagreb as they look to plot a way through to the knockout stages.
Meanwhile, Manchester United will take on PSV, CSKA Moscow and Wolfsburg while Premier League champions Chelsea face Jose Mourinho's former side Porto, Dynamo Kiev and Maccabi Tel-Aviv.
Manchester City will take on Juventus, Europa League champions Sevilla and Borussia Monchengladbach, while reigning champions Barcelona face Bayer Leverkusen, Roma and BATE Borisov.
Real Madrid, meanwhile, have been drawn alongside Paris Saint-Germain, Shakhtar Donetsk and Malmo.
FULL GROUP STAGE DRAW
Group A: Paris Saint-Germain, Real Madrid, Shakhtar Donetsk, Malmo
Group B: PSV, Manchester United, CSKA Moscow, Wolfsburg
Group C: Benfica, Atletico Madrid, Galatasaray, Astana
Group D: Juventus, Manchester City, Sevilla, Borussia Monchengladbach
Group E: Barcelona, Bayer Leverkusen, Roma, BATE Borisov
Group F: Bayern Munich, Arsenal, Olympiakos, Dinamo Zagreb
Group G: Chelsea, Porto, Dynamo Kiev, Maccabi Tel-Aviv
Group H: Zenit, Valencia, Lyon, Gent