The euro stabilised below USD 1.44 in early Asian trade on Wednesday after the Greek government, under pressure to pass spending laws as it grapples with a debt mountain, won a vote of confidence as expected.
The next key moment for investors will the US Federal Reserve's news conference at 1815 GMT, when chairman Ben Bernanke will give his views on US growth.
The euro last traded at USD 1.4366 , extending its recovery from a three-week low of USD 1.4073 it hit last Thursday, but below the high of USD 1.4435 it touched after the vote in Athens.
Japan's Nikkei average was up 1.2% at 9573.38, and MSCI's index of Asia-Pacific stocks excluding Japan was up 0.6%.
Brent crude oil for delivery in August was largely flat at USD 111 a barrel after falling more than 70 cents on Tuesday, largely on ongoing worries about the euro zone.
Gold inched up to USD 1,545.10 per ounce by 0027 GMT, little changed from Tuesday's close. Gold, one of the chief beneficiaries of worries about the security of currencies and other assets, set a record high of USD 1,575.79 per ounce in early May.