There are 26 teams that have qualified for the group stage automatically, with a further six sides progressing via the play-offs.
Spain: Atletico Madrid, Real Madrid, Barcelona, Sevilla, Villarreal
England: Manchester City, Manchester United, Liverpool, Chelsea
Germany: Bayern Munich, RB Leipzig, Borussia Dortmund, Wolfsburg
Italy: Inter Milan, AC Milan, Atalanta, Juventus
France: Lille, Paris St-Germain
Portugal: Sporting Lisbon, Porto, Benfica
Russia: Zenit St Petersburg
Belgium: Club Brugge
Ukraine: Dynamo Kyiv
Netherlands: Ajax
Turkey: Besiktas
Switzerland: Young Boys
Sweden: Malmo
Plus three qualifiers from Wednesday night's final play-off matches.
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Matchday one: 14/15 September
Matchday two: 28/29 September
Matchday three: 19/20 October
Matchday four: 2/3 November
Matchday five: 23/24 November
Matchday six: 7/8 December
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Pot 1:
Chelsea, Villarreal, Manchester City, Atletico Madrid, Bayern Munich, Inter, Lille, Sporting Lisbon
Pot 2:
Real Madrid, Barcelona, Juventus, Manchester United, PSG, Liverpool, Sevilla, Borussia Dortmund
Pot 3:
FC Porto, Ajax, RB Leipzig, Atalanta, Zenit St. Petersburg, TBD*, TBD*, TBD*
Pot 4:
AC Milan, VfL Wolfsburg, Club Brugge, TBD*, TBD*, TBD*, TBD, TBD
*Young Boys, Malmo, Benfica, Besiktas and Dynamo Kiev have qualified for the Champions League, but it is not yet known whether they will be in pot three or pot four.
Plus (inc 1st Leg scores) :
FC Red Bull Salzburg 2 OR Brøndby 1
Monaco 0 OR Shakhtar Donetsk 1
Sheriff Tiraspol 3 OR Dinamo Zagreb 0
Spain: Atletico Madrid, Real Madrid, Barcelona, Sevilla, Villarreal
England: Manchester City, Manchester United, Liverpool, Chelsea
Germany: Bayern Munich, RB Leipzig, Borussia Dortmund, Wolfsburg
Italy: Inter Milan, AC Milan, Atalanta, Juventus
France: Lille, Paris St-Germain
Portugal: Sporting Lisbon, Porto, Benfica
Russia: Zenit St Petersburg
Belgium: Club Brugge
Ukraine: Dynamo Kyiv
Netherlands: Ajax
Turkey: Besiktas
Switzerland: Young Boys
Sweden: Malmo
Plus three qualifiers from Wednesday night's final play-off matches.
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Matchday one: 14/15 September
Matchday two: 28/29 September
Matchday three: 19/20 October
Matchday four: 2/3 November
Matchday five: 23/24 November
Matchday six: 7/8 December
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Pot 1:
Chelsea, Villarreal, Manchester City, Atletico Madrid, Bayern Munich, Inter, Lille, Sporting Lisbon
Pot 2:
Real Madrid, Barcelona, Juventus, Manchester United, PSG, Liverpool, Sevilla, Borussia Dortmund
Pot 3:
FC Porto, Ajax, RB Leipzig, Atalanta, Zenit St. Petersburg, TBD*, TBD*, TBD*
Pot 4:
AC Milan, VfL Wolfsburg, Club Brugge, TBD*, TBD*, TBD*, TBD, TBD
*Young Boys, Malmo, Benfica, Besiktas and Dynamo Kiev have qualified for the Champions League, but it is not yet known whether they will be in pot three or pot four.
Plus (inc 1st Leg scores) :
FC Red Bull Salzburg 2 OR Brøndby 1
Monaco 0 OR Shakhtar Donetsk 1
Sheriff Tiraspol 3 OR Dinamo Zagreb 0