ATHENS (Reuters) - Greece's bank bailout fund HFSF will start on Monday a process for the sale of a stake of up to 22% in Piraeus Bank, it said on Sunday.

The shares will be sold to Greek investors via a public offering in Greece and to foreign investors via a private placement, the Hellenic Financial Stability Fund (HFSF) said in a statement.

The offering will take place from March 4 to 6 and the price range was set between 3.7 and 4 euros per share, HFSF said.

(Reporting by Angeliki Koutantou)