Several aspects of Draghi's announcement have not been cleared, including the time of implementation of such a new mechanism and the exact conditions for such financial aid to eurozone countries.

The benchmark interest rate is meanwhile expected to remain at 0.75%, the eurozone's all-time low.

The ECB's Governing Council meets outside its headquarters in Frankfurt twice a year.

ECB officials arrived in Slovenia already on Wednesday, when Draghi was received by Slovenian President Danilo Türk.