Celtic have been drawn with Barcelona, Benfica and Spartak Moscow in Group G of the 2012/13 UEFA Champions League.
The draw will see former Parkhead favourite Aiden McGeady return to Glasgow with Spartak Moscow.
The first matches will be played on September 18 and 19, while group stage matchday two will be October 2 and 3, and three will take place on October 23 and 24.
The fourth group stage ties will be held on November 6 and 7, matchday five is scheduled for November 20 and 21 before the final group games will be held on December 4 and 5.
Groups in full
Group A: FC Porto, Dynamo Kyiv, Paris St Germain, Dinamo Zagreb
Group B: Arsenal, FC Schalke 04, Olympiakos, Montpellier
Group C: AC Milan, Zenit St Petersburg, Anderlecht, Malaga
Group D: Real Madrid, Manchester City, Ajax, Borussia Dortmund
Group E: Chelsea, Shakthar Donetsk, Juventus, Nordsjaelland
Group F: Bayern Munich, Valencia, Lille, BATE Borisov
Group G: Barcelona, Benfica, Spartak Moscow, Celtic
Group H: Manchester United, SC Braga, Galatasaray, CFR Cluj