Champions League draw: When does it take place? Who has qualified? All you need to know
Chelsea beat Manchester City in last year's final
Who is in the draw?
There are 26 teams that have qualified for the group stage automatically, with a further six sides progressing via the play-offs.
Spain have five qualifiers, four through their finish in La Liga plus Villarreal after winning the Europa League.
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.
What are the seeding pots?
Teams will be split into four seeding pots, with pot one containing the holders Chelsea and Europa League winners Villarreal.
The remaining pot one teams are made up of the champions from the six highest-ranked nations;
Manchester City (England), Atletico Madrid (Spain), Inter Milan (Italy), Bayern Munich (Germany), Lille (France), Sporting Lisbon (Portugal).
Pots two, three and four will be determined by Uefa's club coefficient.
How does the draw work?
At this stage, no sides from their own association can be drawn against each other. For example, Manchester City will avoid a meeting with rivals Manchester United.
If associations have two representatives, such as Lille and PSG from France, those teams will be paired so that their matches can be split between Tuesday and Wednesday.
If associations have four or more representatives, which is the case for Spain, England, Germany and Italy, then two pairings will be made.
The 32 teams will be put into eight groups of four.
When will the group matches take place?
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
How does the competition work?
The top two teams from each group will advance to the last-16 knockout stage.
Teams finishing third in each group will drop down to the Europa League last-16 stage, where they will face the runners-up from the Europa League groups.
This year's Champions League final takes place at the St Petersburg Stadium in Russia on Saturday, 28 May.
The Champions League pots are set for today's draw
Every Champions League final
NOTE
Abolition of the away goals rule in all UEFA club competitions
With the decision to remove this rule, ties in which the two teams score the same number of goals over the two legs would be not decided on the number of goals scored away, but two 15-minute periods of extra time are played at the end of the second leg and in case the teams score the same number of goals or no goals during this extra time, kicks from the penalty mark would determine the team which qualifies to the next stage of the competition.
Chelsea beat Manchester City in last year's final
Who is in the draw?
There are 26 teams that have qualified for the group stage automatically, with a further six sides progressing via the play-offs.
Spain have five qualifiers, four through their finish in La Liga plus Villarreal after winning the Europa League.
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.
What are the seeding pots?
Teams will be split into four seeding pots, with pot one containing the holders Chelsea and Europa League winners Villarreal.
The remaining pot one teams are made up of the champions from the six highest-ranked nations;
Manchester City (England), Atletico Madrid (Spain), Inter Milan (Italy), Bayern Munich (Germany), Lille (France), Sporting Lisbon (Portugal).
Pots two, three and four will be determined by Uefa's club coefficient.
How does the draw work?
At this stage, no sides from their own association can be drawn against each other. For example, Manchester City will avoid a meeting with rivals Manchester United.
If associations have two representatives, such as Lille and PSG from France, those teams will be paired so that their matches can be split between Tuesday and Wednesday.
If associations have four or more representatives, which is the case for Spain, England, Germany and Italy, then two pairings will be made.
The 32 teams will be put into eight groups of four.
When will the group matches take place?
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
How does the competition work?
The top two teams from each group will advance to the last-16 knockout stage.
Teams finishing third in each group will drop down to the Europa League last-16 stage, where they will face the runners-up from the Europa League groups.
This year's Champions League final takes place at the St Petersburg Stadium in Russia on Saturday, 28 May.
The Champions League pots are set for today's draw
Every Champions League final
NOTE
Abolition of the away goals rule in all UEFA club competitions
With the decision to remove this rule, ties in which the two teams score the same number of goals over the two legs would be not decided on the number of goals scored away, but two 15-minute periods of extra time are played at the end of the second leg and in case the teams score the same number of goals or no goals during this extra time, kicks from the penalty mark would determine the team which qualifies to the next stage of the competition.
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