A clarification on government formation:
If no party wins outright, as is expected, the president gives the biggest group - expected to be New Democracy - three days to form a government. If it fails, the second biggest party would be given a chance, and then the next one, until all parties have had a go.
If they all fail, new elections would be called in about 20-25 days.
This means that if government is not formed after this election, the next one would take place somewhere between June 23-38.