European Central Bank ECB, Main Building, Head Office, Sonnemannstrasse, Ostend, Frankfurt am Main, Hesse, Germany European Central Bank ECB, Main Building, Head Office, Sonnemannstrasse, Ostend, Frankfurt am Main, Hesse, Germany European Central Bank ECB, Main Building, Head Office, Sonnemannstrasse, Ostend, Frankfurt am Main, Hesse, Germany European Central Bank ECB, Main Building, Head Office, Sonnemannstrasse, Ostend, Frankfurt am Main, Hesse, Germany