UEFA have revealed the 2021/22 Champions League group stage calendar this Friday, following Thursday's draw.
The competition's group phase will begin on September 14 and 15, while the final round of group games will be held on December 7 and 8.
Atletico Madrid kick off their Champions League campaign at the Estadio Wanda Metropolitano against Porto, Real Madrid visit Inter and Barcelona play hosts to Bayern Munich at the Camp Nou. Villarreal, meanwhile, kick off at home to Atalanta and Sevilla host RB Salzburg.
The top two teams from each group will advance into the round of 16, with the third-placed sides falling into the knockout rounds of the Europa League.
