Orders for Greece's 7-year syndicated bond issue had reached around 3.9 billion euros ($5.26 billion) about two hours after books opened, a bank source close to the deal said on Monday.

Orders have reached about 3.9 billion euros so far, pricing is unchanged, the source said.

Pricing guidance on the benchmark bond, due Aril 20, 2017, was set around mid-swaps plus 310 basis points.

(Reporting by George Georgiopoulos in Athens and Carolyn Cohn in London)