European Central Bank Ostend (East End), Frankfurt am Main. The city is the largest financial centre in the Eurozone and the bank's location in it is fixed by the Amsterdam Treaty. The bank moved to new purpose-built headquarters in 2014 that were designed by a Vienna-based architectural office, Coop Himmelbau. The building is approximately tall and will be accompanied with other secondary buildings on a landscaped site on the site of the former wholesale market in the eastern part of Frankfurt am Main. The main construction began in October 2008, and it was expected that the building will become an architectural symbol for
European Central Bank the auctions, banks must be able to offer proof of appropriate collateral in the form of loans to other entities. These can be the public debt of member states, but a fairly wide range of private banking securities are also accepted. The fairly stringent membership requirements for the European Union, especially with regard to sovereign debt as a percentage of each member state's gross domestic product, are designed to ensure that assets offered to the bank as collateral are, at least in theory, all equally good, and all equally protected from the risk of inflation. The bank is based in