Institutional seats of the European Union are based in Luxembourg City along with the European Investment Bank. The Economic and Social Committee and the Committee of the Regions are entirely based in Brussels while the European Central Bank is based in Frankfurt and Europol is the only agency to have its seat fixed by the treaties, in The Hague. Separately, the Treaty of Nice establishes Brussels as the venue for all formal summits of the European Council after 2004. However some extraordinary sessions are sometimes held outside the city. The European Council's seat is however fixed by a declaration rather than a protocol, meaning it is
European System of Central Banks be performed in Stage Three of Economic and Monetary Union (EMU). The General Council also contributes to: The Statute of the ESCB makes provision for the following measures to ensure security of tenure for NCB governors and members of the Executive Board: The ESCB is composed of the European Central Bank and the national central banks of all 28 member states of the European Union. The first section of the following list lists member states and their central banks that form the Eurosystem (plus the ECB), which set eurozone monetary policy. The second section lists member states and their central