The group stage draw comprises 32 clubs, 22 of whom are direct entrants while ten qualified via the play-offs.
18.00CET, 25 August, Monaco
Which teams are in which pots?
Pot 1: Real Madrid (ESP, holders), Barcelona (ESP), Leicester City (ENG), Bayern München (GER), Juventus (ITA), Benfica (POR), Paris Saint-Germain (FRA), CSKA Moskva (RUS)
Pot 2: Atlético Madrid (ESP), Borussia Dortmund (GER), Arsenal (ENG), Manchester City (ENG), Sevilla (ESP), Porto (POR), Napoli (ITA), Bayer Leverkusen (GER)
Pot 3: Basel (SUI), Tottenham Hotspur (ENG), Dynamo Kyiv (UKR), Lyon (FRA), PSV Eindhoven (NED), Sporting CP (POR), Club Brugge (BEL), Mönchengladbach (GER)
Pot 4: Celtic (SCO), Monaco (FRA), Beşiktaş (TUR), Legia Warszawa (POL), Dinamo Zagreb (CRO), Ludogorets Razgrad (BUL), København (DEN), Rostov (RUS)
- Pot 1 consists of the holders (Real Madrid) and the champions of the top-seven ranked nations at the end of 2014/15 (when the 2016/17 access list was set).
- The remaining three pots are decided by each team's UEFA club coefficient as of the end of last season.
- No team can play a club from their own association, with the exact draw procedure to be confirmed before the ceremony.
- Following a decision by the UEFA Executive Committee, Ukrainian and Russian teams cannot be drawn against each other.
- The draw also establishes the groups for the UEFA Champions League path of the UEFA Youth League.
- The draw ceremony includes the vote for and presentation of the 2015/16 UEFA Best Player in Europe Awards for men and women.
All details subject to final confirmation of UEFA after the play-offs
Road to Cardiff
When are the draws?
25/08/16: Group stage
12/12/16: Round of 16
When are the matches?
13–14/09/16: Group stage, matchday one
27–28/09/16: Group stage, matchday two
18–19/10/16: Group stage, matchday three
01–02/11/16: Group stage, matchday four
22–23/11/16: Group stage, matchday five
06–07/12/16: Group stage, matchday six
14–15/02/17 and 21–22/02/17: Round of 16, first leg
07–08/03/17 and 14–15/03/17: Round of 16, second leg
11–12/04/17: Quarter-finals, first leg
18–19/04/17: Quarter-finals, second leg
02–03/05/17: Semi-finals, first leg
09–10/05/17: Semi-finals, second leg
03/06/17: Final (National Stadium of Wales, Cardiff)