Holders Real Madrid face Dortmund and Liverpool in new-look Champions League
Every team will play eight games against eight different opponents in the new format of Europe's elite club competition, with all 36 clubs now pooled together into one league rather than split into groups.
Holders Real Madrid will face Liverpool away and host Borussia Dortmund in a repeat of last season's final in the league stage of the new-look Champions League, the draw for which took place on Thursday.
Madrid, who have signed France superstar Kylian Mbappe since winning a record-extending 15th European Cup, will also notably play AC Milan at home and will go to Atalanta.
Real beat last season's Europa League winners Atalanta in the UEFA Super Cup in Warsaw earlier this month.
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Liverpool, who are back in the Champions League after a one-season absence, will also notably meet Milan and take on tournament debutants Girona.
However, supporters of the Anfield club will perhaps be most excited about the prospect of hosting German champions Bayer Leverkusen, coached by former Liverpool midfielder Xabi Alonso.
Pep Guardiola's Manchester City, winners of the competition in 2023, will play at home to Italian champions Inter Milan and go to both Paris Saint-Germain and Juventus.
However, they were also handed more comfortable opponents including Club Brugge, Sparta Prague and Slovan Bratislava, who have never played in the modern Champions League proper.
Other standout head-to-heads will include Bayern Munich against both PSG and Barcelona, and Arsenal against Inter and Paris.
The number of clubs in the Champions League has increased from 32 in the past, with the 36 participants split into four seeded pots of nine for the draw.
Every team faces two teams from each of the four pots, one at home and one away. The first matches will be played on September 17, 18 and 19.
The two extra matchdays in the new league phase will take place in January, at the end of which the top eight clubs in the 36-team classification will advance directly to the last 16.
Those ranked between ninth and 24th place will go through to play a play-off round from which will emerge the remaining eight sides advancing to the last 16.
The bottom 12 in the league phase will be eliminated altogether, with no clubs parachuting down into the Europa League as in the past.
The Europa League and third-tier Conference League, the draws for which take place on Friday, will also now feature 36 clubs, although the latter competition will involve only six matchdays in the league phase.
