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
Central European Zone Rally Championship Central European Zone Rally Championship The Central European Zone Rally Championship is an international rally championship which is run by the Austrian-based Oberste Nationale Sportkommission für den Motorsport (OSK) under the auspicies of the FIA and held across several European countries. There are four separate championships contested under the Central European Zone banner, and unlike other FIA Zone rally series there is no overall champion. The classes are Production Cars (for Group N vehicles), Class 2 (for Super 2000), 2WD (for FIA classes 5 through 10 which includes Super 1600) and Historic. The Historic class is run largely separate from