Holders Liverpool will face Napoli, Salzburg and Genk in the Champions League group stage this season.
Premier League champions Manchester City were drawn alongside Shakhtar Donetsk, Dinamo Zagreb and Atalanta.
Last year’s runners-up Tottenham Hotspur are in a group with five-time European Cup winners Bayern Munich, plus Olympiakos and Red Star Belgrade.
Chelsea must negotiate a group including 2019 semi-finalists Ajax, Valencia and Lille.
European heavyweights Paris St-Germain and Real Madrid were drawn together in Group A while former winners Barcelona, Borussia Dortmund and Inter Milan will all meet in Group F.
This year’s group stage begins on Tuesday, 17 September while the final is on Saturday, 30 May at the Ataturk Stadium in Istanbul.
Juventus will come up against Atletico Madrid again after beating the Spanish side in the last 16 last season. They will also face Bayer Leverkusen and Lokomotiv Moscow in Group D.
We're all set for another season of the best competition in club football!
Your 2019/20 UEFA Champions League group stage draw in full ? pic.twitter.com/rSAGZt1oLT
— Football on BT Sport (@btsportfootball) August 29, 2019