Demand amounted to more than double the offer, at RON2.15 billion.
The finance ministry plans to sell RON3.2 billion worth of local currency bonds and bills in July and an additional RON225 million in non-competitive tenders.
Romania's finance ministry on Monday raised a planned 1 billion lei (EUR221.73 million) selling treasury bills maturing in May 2017 at an average accepted yield of 0.68%, central bank data showed.