Following the Europa League draw in Group B Olympiakos will face Cypriot club APOEL, Young Boys from Switzerland and Astana from Kazakstan.
In Group J, PAOK will meet Italian club Fiorentina, Liberec from the Czech Republic and Quarabag from Azerbaijan.
Panathinaikos had the most difficult draw playing in Group G against Dutch club Ajax, Belgian Standard Liege and Spanish side Celta Vigo.