Prime Minister of Greece, George Papandreou promised to avoid bankruptcy and keep their country in the euro, the single European currency.
In a speech in the city of Thessaloniki, the second in the country, Papandreou warned that any delay or hesitation would be dangerous for the future Greek.
Also pledged that his government will comply with the spending cuts agreed with international creditors.
This week, the German government warned that the next tranche of the agreed European emergency fund for Greece could not be delivered until the Athens sun do more to reduce debt.
During the visit of Papandreou Thessaloniki thousands of demonstrators gathered to reject austerity, some made bonfires in the streets and smashed windows, forcing police to use tear gas to break up the concentration.