PESEdit.com 2013 3.3 Patch adds Superleague Greece, including 12 new full teams with correct squads, lineups, kits & stadiums. You can use Superleague Greece by switching it on it selector. It will replace Eredivisie, but you can always revert back to the Dutch league, and also select Russian and Turkish leagues.
PES 2013 SUPERLEAGUE GREECE TEAM LIST
AEK, Aris, Asteras Tripolis, Atromitos, Kerkyra, Levadiakos, OFI Crete, Olympiacos, Panathinaikos, Panthrakikos, PAOK, PAS Giannina, Platanias, Skoda Xanthi, Veria