VENUE: Theodoros Vardinoyannis Stadium
Olympiakos have named former Albania midfielder Besnik Hasi as their new head coach.
PAOK will also play seven home games behind closed doors and pay a fine of €282,500.
Nottingham Forest have announced Olympiakos owner Evangelos Marinakis has completed his takeover of the club.
Vladan Ivic was taken to hospital for treatment after the incident, which followed a 54th-minute brawl involving several players.
PAOK won the Greek Cup by defeating AEK Athens 2-1 in a final marred by violent clashes between fans that injured more than 40 people, two seriously.
Olympiakos clinched a record 44th Greek league title with a round to spare, and their 19th in the last 21 seasons, after thrashing Giannena 5-0.