The Federal Republic of Germany is the most populous state and the largest economy in the European Union and lies within its geographical centre. It is a federal state whose foreign and European policy is influenced by a number of institutions: in addition to the federal government and parliament, it is also influenced by the Constitutional Court, the central bank and the governments of its sixteen federal states. In international relations, Germany has long supported international law, intergovernmental and multinational institutions and multilateral problem-solving. In addition to the EU, it is also a member of NATO, the UN and the Alliance for Multilateralism. Germany has been conducting a so-called Strategic Dialogue with the Czech Republic since 2015.