US Treasury Secretary Timothy Geithner is also attending, underlining Washington's fears that problems in the eurozone could spread beyond Europe.

President Barack Obama has urged the 17-nation eurozone bloc to settle their differences over the debt crisis.

But Austria's finance minister refused to rule out an eventual Greek default.

On arriving for the meeting in Wroclaw, Maria Fekter said more bailout money should be advanced to Greece, but "we will have to think about the alternative".

Finland's minister Jutta Urpilainen also played down the chances of resolving a dispute over providing more money to Greece.

Finland wants collateral in return for contributing money to a second Greek bailout.

The meeting in Poland comes a day after central banks pumped billions of dollars into the financial system.

In Germany, Finland, and Slovakia there are signs that public opinion is turning against providing funds for further bailouts.

In Washington, International Monetary Fund managing director Christine Lagarde called for bolder action on both sides of the Atlantic, warning that indecision and "political dysfunction" was pushing the US and Europe back towards the brink.