West Ham United have been grouped with Olympiacos, SC Freiburg and TSC Backa Topala and in the Europa League.

The draw was made in Monaco this lunchtime, with David Moyes' Europa Conference League winners first to be pulled out of the pot and placed in Group A, where they face trips to Greece, Germany and Serbia. 

Group stage fixtures will be played on Thursday evenings from September 21 to December 14 on the same night as the UEFA Europa Conference League games, kicking off at 5.45pm or 8pm.

Group winners advance to the last 16, while runners-up contest the knockout round play-offs against the third-placed sides from the UEFA Champions League. 

The third-placed sides in each Europa League group transfer to the Europa Conference League knockout round play-offs, where they will face the Europa Conference League group runners-up for places in the last 16.

Matchday 1: September 21
Matchday 2: October 5
Matchday 3: October 26
Matchday 4: November 9
Matchday 5: November 30
Matchday 6: December 14

Group A
West Ham United
Olympiacos
SC Freiburg
TSC

Group B
Ajax
Marseille
Brighton
AEK Athens

Group C
Rangers
Real Betis
Sparta Prague
Aris Limassol

Group D
Atalanta
Sporting CP
Sturm Graz
Rakow

Group E
Liverpool
LASK
Union Saint-Gilloise
Toulouse

Group F
Villareal
Rennes
Maccabi Haifa
Panathinaikos

Group G
AS Roma
Slavia Prague
Sheriff Tiraspol
Servette

Group H
Bayer Leverkusen
Qarabag
Molde
Hacken