Banks offered RON1.2 billion, central bank data showed.
At the previous similar auction July 18, the ministry sold RON900 million in one-year paper at an average annual yield of 6.18%.
The ministry plans to sell debt worth RON4 billion in August, slightly down from RON4.24 billion sold a month earlier.
So far this year, Romania sold around RON39 billion (EUR9.2 billion) in leu-denominated state notes. Additionally, two foreign currency bond auctions have brought the ministry EUR1.4 billion, while an international debt sale early June raised EUR1.5 billion. (EUR1=RON4.2442)