The 2009–10 UEFA Europa League group stage matches took place between 17 September and 17 December 2009.
The group stage featured the 38 winners of the play-off round and the 10 losing sides of the Champions League play-off round.
The draw for the group stage was held in Monaco on 28 August 2009.
[2] Clubs from the same association were paired up to split the matchdays between Thursday.
Notes Based on Article 7.05 in the UEFA regulations, if two or more teams were equal on points on completion of the group matches, the following criteria were applied to determine the rankings:[3] All times CET/CEST.