The euro-denominated T-bills yielded 4.80%, up from 4.70% in the previous auction held on December 8.
In separate auctions, the ministry also sold one-year, six-month and three-month Treasury bills worth a combined 1.847 billion kuna ($369 million/254 million euro), above its target offer of 1.400 billion kuna, the ministry said in a statement.
The kuna-denominated one-year government securities yielded 6.2%, unchanged from the previous auction held on December 8.
Yields on the six-month and the three-month T-bills also were unchanged at 6.0% and 5.5%, respectively.
(1 euro = 7.2843 Croatian kuna)