Greeks will soon go to the polls to elect a new parliament with the center-right opposition The New Democracy Party of Kyriakos Mitsotakis hopes to end the more than four-year reign of the Syriza party led by Prime Minister Alexis Tsipras European elections in May.
Polling stations open at 07:00 local time (04:00 GMT).
It is Greece's sixth election since the global financial crisis in 2008.
The crisis sparked a series of bailouts, with the Greek economy contracting 28% between 2008 and 201
Greece left the bailout program in August last year and growth has returned.
What do the competing parties offer?
Mr Mitsotakis promises lower taxes, greater privatization of public services and plans to renegotiate an agreement with Greek creditors that would allow reinvestment of more money in the country.
Mr Tsipras, who came to power in 2015, promised more investment and recently increased pensions. His own investment policy also needs to be renegotiated with the creditors, as the country remains under the supervision of the eurozone.
- Love and hate in the EU after two economic bailouts
- How the crisis helped eliminate the taboo on mental health
The country's numerous parties must receive at least 3% of the vote to enter parliament and up to seven of them could win seats.
The victorious party receives a bonus of 50 seats and needs 151 seats on 300 seats parliamentary majority.
In the European elections New Democracy won 33.11% of the vote against 23.78% for Syriza.
The highest percentage of 18- to 24-year-olds (30.5%) in these elections supported New Democracy.