The finance ministry, which had planned to sell 200 million lei of the bonds received bids worth 412.6 million lei ($99.95 million) in total.
So far this year, Romania has sold roughly 18.8 billion lei and roughly 1.48 billion euros worth of domestic bonds, and has tapped foreign markets for 3.5 billion euros worth of 12- and 20-year eurobonds.
The remarks reinforce a dominant market view that the BOJ will keep monetary policy steady for the time being in hope a rebound in overseas demand will underpin Japan's export-reliant economy.
"Strong investor demand for this Sukuk meant we achieved a good price for the taxpayer and will help us develop our relationships with Islamic economies around the world."