You need to correct your information: the arabs have invested millions of dollars in Greece. This money helped revive Greece. Arab Countries such as Saudi Arabia sent money to rebuild what was destroyed in the fire. So whatever you do the arab-greco relations which date back to thousands of years will not be corrupted. Greece has always supported the right of the Palestinian people to establish their state with Jerusalem as its capital.
PLO official: Reports about Abbas' resignation from political life very premature (Haaretz)
from the article: Greek historian convicted over book denying the Holocaust