Decision of 12 December 1992 taken by common agreement between the representatives of the governments of the Member States on the location of the seats of the institutions and of certain bodies and departments of the European Communities.

Protocols annexed to the Treaty on European Union and to the Treaties establishing the European Community, the European Coal and Steel Community and the European Atomic Energy Community by the Treaty of Amsterdam of 2 October 1997.

The Committee of the Regions occupied the same building as the Economic and Social Committee in Rue Ravenstein, Brussels, until 1996, when it moved to 79 Rue Belliard. In July 2000, the Committee of the Regions moved to 92–102 Rue Montoyer. Since June 2004, its headquarters is at 101 Rue Belliard.

Former premises of the Committee of the Regions in Brussels.

In June 2004, the Committee of the Regions moves into its new headquarters at 101 rue Belliard in Brussels.

View of the new premises of the Committee of the Regions at 101 Rue Belliard in Brussels, named the Jacques Delors Building in an official ceremony held on 18 September 2006.