The Real Madrid holders were drawn against Ukrainian side Shakhtar Donetsk in the 2022-23 UEFA Champions League group stage.
The 14-time winners will also face German side RB Leipzig and Scottish side Celtic to begin their title defense.
Shakhtar Donetsk – the only Ukrainian team left in the competition – played his first competitive game on Tuesday after football was suspended following the invasion of Russia.
The Ukrainian champions will play their group matches at the Stadion Wojska Polskiego in the Polish capital, Warsaw. Russian teams were banned from UEFA competition in February.
Bayern Munich, Barcelona and Inter, who have won 14 European Cups or Champions League in total, were drawn together in a mouthwatering Group C alongside Viktoria Plzeň.
Last year’s runner-up Liverpool will face another British team, the Rangers, as well as Dutch champions Ajax and Napoli.
Paris Saint-Germain face Juventus, along with Benfica, and Israeli team Maccabi Haifa, the lowest ranked team in the group stage.
Real Madrid, Barcelona and Juventus will also compete in the Champions League fighting before the European Court of Justice for the right to form their own separatist competition.
Manchester City striker Erling Haaland wants to return to play against his former club Borussia Dortmund after moving for € 60m in the summer. The English champions were also drawn against Sevilla and Copenhagen in Group G.
Meanwhile, last year’s UEFA Europa League winner Eintracht Frankfurt will face Tottenham Hotspur, Sporting CP and Marseille.
This season’s match schedule has been shortened to an eight-week period due to the 2022 FIFA World Cup in Qatar, which kicks off in November.
The top two teams from each group will qualify for the round of 16, which will begin in 2023.
This season’s Champions League final will take place at Istanbul’s Atatürk Olympic Stadium on 10 June.
The venue last hosted the 2005 flagship, when Liverpool came dramatically 0-3 against AC Milan by winning on penalties after extra time.
Here is the full draw:
Atletico Madrid (Spain)
Bayer Leverkusen (Germany)
Club Brugge (Belgium)
Bayern Munich (Germany)
Viktoria Plzeň (Czech Republic)
Eintracht Frankfurt (Germany)
Tottenham Hotspur (England)
Sporting CP (Portugal)
Dinamo Zagreb (Croatia)
Real Madrid (Spain)
RB Leipzig (Germany)
Shakhtar Donetsk (Ukraine)
Manchester City (England)
Borussia Dortmund (Germany)
Paris Saint Germain (France)
Maccabi Haifa (Israel)