The Eurosystem is governed by the Governing Council and the Executive Board of the ECB . Eurosystem 's international reserves : these comprise the reserve assets of the European Central Bank ( ECB ) and the reserve assets held by the national central banks ( NCBs ) of the euro area countries .
Alla fine del 2002 l' area dell' euro contava 8.545 IFM ( 13 banche centrali , 6.907 istituzioni creditizie , 1.620 fondi comuni monetari e 5 istituzioni finanziarie di altro tipo ) . M1 , M2 , M3 : cfr .