Real Madrid are one of six clubs who UEFA are opening disciplinary proceedings against following the midweek Champions League action.
As outlined by Reuters, Madrid were charged over a late kick-off in Tuesday evening’s 2-2 draw at home to Club Brugge.
The Belgian side have also been cited after midfielder Ruud Vormer, who was sent off after picking up a second booking, used abusive language towards a match official.
Manchester City and Dinamo Zagreb have both also been in charged in relation to fans throwing objects during their meeting at the Etihad Stadium on Tuesday night.
City ran out 2-0 victors in the clash while the Croatian side have also been charged over their fans causing damage to seats in the stadium.
The report adds that Olympiakos were charged after their fans unfurled a banner that UEFA deemed to be racist in their 3-1 loss at Red Star Belgrade. They were also charged with delaying kickoff.
The Serbian side were charged with improper conduct after five players, including two substitutes, picked up bookings.